{"title":"Isolation Valves","description":"\u003cp\u003eEverything you need to isolate, control, and maintain water supplies in domestic and commercial plumbing installations. Our range of \u003cstrong\u003eisolation valves and plumbing fittings\u003c\/strong\u003e covers the most commonly specified components for bathroom, kitchen, and heating system work — all from trusted brands including \u003cstrong\u003eKeyPlumb\u003c\/strong\u003e and \u003cstrong\u003eHipkin\u003c\/strong\u003e, with WRAS-approved options throughout.\u003c\/p\u003e\n\n\u003cp\u003eWhether you’re fitting a new basin tap, replacing a radiator, or stocking the van for a full bathroom installation, you’ll find the right valve here. Most products are available in single units or trade packs for better per-unit value.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s In This Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight \u0026amp; Full Bore Isolation Valves\u003c\/strong\u003e — chrome-plated brass, screwdriver slot, WRAS approved; available in single, pack of 5, and pack of 10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Face Compression Isolation Valves\u003c\/strong\u003e — 15mm x ½\" BSP; specifically designed for basin mono taps and flexi tail connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButterfly Ball Valves\u003c\/strong\u003e — WRAS approved, full bore, quarter-turn lever; red handle (hot water) and blue handle (cold water) available\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome Lever Isolation Valves\u003c\/strong\u003e — CxC compression, black lever handle; no screwdriver required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolating Radiator Tails\u003c\/strong\u003e — patented design; remove radiators without draining the heating system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrolytic Scale Reducers\u003c\/strong\u003e — inline limescale protection for valves and appliances\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCan’t see what you need? Call us on \u003cstrong\u003e01603 381095\u003c\/strong\u003e or message us via the chat and we’ll do our best to source it for you.\u003c\/p\u003e","products":[{"product_id":"brass-straight-flat-face-iso-valve-c-p-15mm-x-1-2","title":"KeyPlumb 15mm Flat Face Compression Isolation Valve – Chrome | ½\" BSP Male Thread","description":"\u003cp\u003eNot all isolation valves are the same — and this one is specified for a reason. The \u003cstrong\u003eKeyPlumb 15mm Flat Face Compression x ½\" BSP Isolation Valve\u003c\/strong\u003e is the correct valve for installations where a \u003cstrong\u003ebasin mono tap with a flexi tail\u003c\/strong\u003e connects to a 15mm copper supply pipe. The flat face compression end grips the pipe without an olive, while the ½\" male BSP thread connects directly to the flexi tail. A flathead screwdriver closes it off in a quarter-turn. Chrome-plated brass, neat, and built to last behind a basin pedestal for years.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat Face Compression Inlet\u003c\/strong\u003e — 15mm flat face compression fitting; connects to copper pipe without a traditional olive; provides a secure, leak-proof seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e½\" BSP Male Thread Outlet\u003c\/strong\u003e — standard ½\" male BSP thread; connects directly to flexi tails on basin mono taps, kitchen taps, and similar fixtures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrewdriver Slot Operation\u003c\/strong\u003e — quarter-turn flathead screwdriver; tamper-resistant and compact for tight under-basin spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-Plated Brass Body\u003c\/strong\u003e — corrosion-resistant construction with a polished chrome finish; professional appearance for exposed installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolates Individual Fixtures\u003c\/strong\u003e — allows a tap or fixture to be isolated for maintenance without shutting off the water supply to the whole property\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot \u0026amp; Cold Water\u003c\/strong\u003e — suitable for both hot and cold water supply lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-Year Manufacturer's Guarantee\u003c\/strong\u003e — backed by KeyPlumb warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhen to Use This Valve\u003c\/h3\u003e\n\u003cp\u003eThis valve is specifically designed for installations where:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA \u003cstrong\u003ebasin mono tap\u003c\/strong\u003e (single lever, one tap hole) is being fitted with a \u003cstrong\u003eflexi tail\u003c\/strong\u003e connection\u003c\/li\u003e\n\u003cli\u003eThe supply pipe is \u003cstrong\u003e15mm copper\u003c\/strong\u003e and the tap tail is \u003cstrong\u003e½\" BSP\u003c\/strong\u003e (the UK standard)\u003c\/li\u003e\n\u003cli\u003eA \u003cstrong\u003eflat face compression\u003c\/strong\u003e fitting is required rather than a standard olive-and-nut compression\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your installation uses a standard CxC compression connection (no BSP thread), see our \u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003eStraight Chrome Isolation Valve\u003c\/a\u003e or \u003ca href=\"\/products\/full-bore-isolation-valve-chrome-15mm-wras\"\u003eFull Bore Isolation Valve\u003c\/a\u003e instead.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInlet Connection:\u003c\/strong\u003e 15mm Flat Face Compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet Connection:\u003c\/strong\u003e ½\" BSP Male Thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Screwdriver Slot (quarter-turn)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Chrome-Plated Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Basin Mono Taps, Flexi Tail Connections, Hot \u0026amp; Cold Water\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuarantee:\u003c\/strong\u003e 1 Year\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e K23853\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlt. Part Numbers:\u003c\/strong\u003e KPSTRFLA15\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003e15mm Straight Chrome Isolation Valve – CxC (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — standard CxC compression isolation valve; WRAS approved; for direct pipe-to-pipe isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/full-bore-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore version for maximum flow; WRAS approved\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/lever-isolation-valve-chrome-plated-15mm\"\u003e\u003cstrong\u003e15mm Chrome Lever Isolation Valve – Black Handle\u003c\/strong\u003e\u003c\/a\u003e — CxC compression lever valve; no screwdriver needed\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003e\u003cstrong\u003e15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore butterfly valve for hot water lines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm\"\u003e\u003cstrong\u003e15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore butterfly valve for cold water lines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer to protect valves and appliances from limescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is a flat face compression fitting?\u003c\/h4\u003e\n\u003cp\u003eA flat face compression fitting connects to the pipe using a flat sealing face rather than a traditional olive (ferrule). The pipe end is inserted and the nut is tightened, compressing the flat face against the pipe to create a watertight seal. It is commonly used in isolation valves where a BSP thread outlet is also required, such as this valve for basin mono tap installations.\u003c\/p\u003e\n\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between this valve and a standard CxC isolation valve?\u003c\/h4\u003e\n\u003cp\u003eA standard CxC (compression-to-compression) isolation valve has compression fittings on both ends and is used to isolate a section of pipe. This valve has a flat face compression inlet on one end and a ½\" BSP male thread on the other — making it specifically designed to connect a 15mm supply pipe directly to a flexi tail on a basin tap. If you don't need a BSP thread outlet, use the \u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003estraight CxC isolation valve\u003c\/a\u003e instead.\u003c\/p\u003e\n\n\u003ch4\u003eWill this fit my basin mono tap flexi tail?\u003c\/h4\u003e\n\u003cp\u003eYes — provided your flexi tail has a standard ½\" BSP female connection (the UK standard for basin mono taps), this valve will connect directly. Check your tap's flexi tail specification if unsure.\u003c\/p\u003e\n\n\u003ch4\u003eIs this valve WRAS approved?\u003c\/h4\u003e\n\u003cp\u003eThis valve carries a 1-year manufacturer's guarantee and is suitable for domestic hot and cold water supply. If you specifically require a WRAS-approved valve, please see our \u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003eWRAS Approved Straight Isolation Valve\u003c\/a\u003e or \u003ca href=\"\/products\/full-bore-isolation-valve-chrome-15mm-wras\"\u003eWRAS Approved Full Bore Isolation Valve\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eCan this be used on a hot water supply?\u003c\/h4\u003e\n\u003cp\u003eYes — this valve is suitable for both hot and cold water supply lines in standard domestic plumbing applications.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"Default Title","offer_id":52802968256849,"sku":"K23853","price":1.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k23853-large.jpg?v=1787638316"},{"product_id":"isolating-radiator-tail-15mm-x-1-2-pair","title":"Isolating Radiator Tail 15mm x ½\" BSP – Pair | Remove Radiators Without Draining | Patented","description":"\u003cp\u003eDecorating a room? Replacing a radiator? Normally that means draining the system, dealing with dirty water, and refilling and re-pressurising the boiler afterwards. With these \u003cstrong\u003epatented Isolating Radiator Tails\u003c\/strong\u003e, you don’t. Fit them once between the radiator and the valve, and from that point on you can remove the radiator in minutes — no draining, no mess, no water waste, no boiler interference. A genuinely clever solution to one of the most frustrating jobs in domestic heating.\u003c\/p\u003e\u003cp\u003eSold as a \u003cstrong\u003epair\u003c\/strong\u003e (one for each end of the radiator). Fits standard 15mm x ½\" BSP radiator valve connections.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Isolating Design\u003c\/strong\u003e — allows the radiator to be removed and refitted without draining the heating system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo System Drainage Required\u003c\/strong\u003e — eliminates the need to drain, refill, and re-pressurise the boiler when removing a radiator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits in Minutes\u003c\/strong\u003e — installs between the existing radiator valve and the radiator tail; no specialist tools required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm x ½\" BSP\u003c\/strong\u003e — standard connection size compatible with all conventional UK radiator valve installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold as a Pair\u003c\/strong\u003e — one tail for each end of the radiator; everything you need for one radiator\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for All Standard Radiators\u003c\/strong\u003e — compatible with new builds and existing heating systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Boiler Warranty\u003c\/strong\u003e — avoids the pressure fluctuations and air ingress associated with draining and refilling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEco-Friendly\u003c\/strong\u003e — no water waste from system drainage; no inhibitor top-up required after refitting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTime-Saving for Decorators \u0026amp; Plumbers\u003c\/strong\u003e — dramatically reduces the time and disruption of radiator removal jobs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow It Works\u003c\/h3\u003e\u003cp\u003eThe isolating radiator tail fits between your existing radiator valve and the radiator itself. Once installed, it incorporates an internal isolation mechanism that allows you to close off the flow at the tail before disconnecting the radiator — trapping the water in the system rather than releasing it. When you’re ready to refit the radiator, reconnect and reopen. The system stays pressurised and full throughout.\u003c\/p\u003e\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\u003ctable class=\"table table--product-specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eConnection Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e15mm x ½\" BSP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePair (2 tails per pack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eDesign\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003ePatented Isolating Valve\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eAll standard UK radiator valve installations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eRadiator removal without system drainage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eK96882\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eEAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003e5033696467500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eAlt. Part Numbers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eQBBL650 | 19TD368354 | 368354\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"spec-name\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd class=\"spec-value\"\u003eHipkin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eComplete Your Radiator Installation\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/crosshead-chrome-radiator-valves\"\u003e\u003cstrong\u003eCrosshead Chrome Radiator Valves – Straight \u0026amp; Angled | 15mm | Pair\u003c\/strong\u003e\u003c\/a\u003e — classic crosshead chrome valves for traditional radiator installations\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kartell-modern-angled-radiator-valves-kart-ang\"\u003e\u003cstrong\u003eKartell Modern Angled Radiator Valves 15mm\u003c\/strong\u003e\u003c\/a\u003e — contemporary angled radiator valves in brass construction\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kartell-anthracite-radiator-valve-angled-15mm-anth-ang\"\u003e\u003cstrong\u003eKartell Anthracite Angled Radiator Valve 15mm\u003c\/strong\u003e\u003c\/a\u003e — premium anthracite finish angled valve for designer radiators\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/kartell-designer-twin-trv-l-s-pack-angled-black-bk-trv301a\"\u003e\u003cstrong\u003eKartell Matt Black Twin TRV + Lockshield Pack\u003c\/strong\u003e\u003c\/a\u003e — designer matt black thermostatic radiator valve set\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/radiator-valve-pipe-sleeve-kit-pair-chrome\"\u003e\u003cstrong\u003eChrome Radiator Valve Pipe Sleeve Kit\u003c\/strong\u003e\u003c\/a\u003e — pipe sleeves and floor plates for a neat, professional valve finish\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/honeywell-valencia-vtl120-trv-lock-shield-15mm-angled\"\u003e\u003cstrong\u003eHoneywell Valencia TRV Lockshield 15mm Angled\u003c\/strong\u003e\u003c\/a\u003e — thermostatic radiator valve lockshield for temperature control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003ch4\u003eDo I really not need to drain the system to remove a radiator?\u003c\/h4\u003e\u003cp\u003eCorrect — that’s the whole point of the patented design. Once the isolating tails are fitted, you close them off before disconnecting the radiator. The water stays in the system. You can remove the radiator, decorate, and refit it without touching the boiler pressure or losing any system water.\u003c\/p\u003e\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we’ll confirm lead time with you.\u003c\/p\u003e\u003ch4\u003eWill these fit my existing radiator valves?\u003c\/h4\u003e\u003cp\u003eThese tails use a standard 15mm x ½\" BSP connection — the most common radiator valve connection size in UK domestic heating systems. They are compatible with all standard radiator valve installations, both new builds and existing systems.\u003c\/p\u003e\u003ch4\u003eDo I need a plumber to fit these?\u003c\/h4\u003e\u003cp\u003eThe tails are designed to be straightforward to install. A competent DIYer can fit them, though we always recommend a qualified plumber for any work on a sealed heating system to ensure compliance with building regulations and to protect boiler warranties.\u003c\/p\u003e\u003ch4\u003eHow many tails do I need per radiator?\u003c\/h4\u003e\u003cp\u003eTwo — one for each end of the radiator (flow and return). This product is sold as a pair, so one pack covers one radiator.\u003c\/p\u003e\u003ch4\u003eWill fitting these affect my boiler warranty?\u003c\/h4\u003e\u003cp\u003eThe isolating tails are designed to \u003cem\u003eprotect\u003c\/em\u003e boiler warranties by avoiding the pressure fluctuations, air ingress, and inhibitor dilution that occur when a system is drained and refilled. Always check your specific boiler warranty terms if in doubt.\u003c\/p\u003e","brand":"Hipkin","offers":[{"title":"Default Title","offer_id":52802973761873,"sku":"K96882","price":12.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k96882-large.jpg?v=1770391803"},{"product_id":"straight-isolation-valve-chrome-15mm-wras","title":"15mm Straight Isolation Valve – Chrome Plated | WRAS Approved | CxC Compression | KeyPlumb","description":"\u003cp\u003eThe valve behind the basin. The one under the sink. The one that lets you change a tap washer without turning off the water to the whole house. The \u003cstrong\u003eKeyPlumb 15mm Straight Isolation Valve\u003c\/strong\u003e is a fundamental plumbing component — compact, chrome-plated, WRAS approved, and built to sit quietly in place for years until the moment it's needed. A flathead screwdriver is all it takes to isolate any individual fixture. Available as a \u003cstrong\u003esingle valve or pack of 10\u003c\/strong\u003e for trade use.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWRAS Approved\u003c\/strong\u003e — independently certified for use on mains potable water supplies; meets UK Water Supply (Water Fittings) Regulations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStraight Pattern\u003c\/strong\u003e — inline configuration for direct pipe runs; ideal for basin, tap, and fixture isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrewdriver Slot Operation\u003c\/strong\u003e — quarter-turn flathead screwdriver; tamper-resistant and compact in tight spaces behind basins and under sinks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-Plated Finish\u003c\/strong\u003e — corrosion-resistant, professional appearance; suits exposed installations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCxC Compression Fittings\u003c\/strong\u003e — compression-to-compression connection both ends; compatible with standard 15mm copper and plastic pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm Size\u003c\/strong\u003e — the standard domestic pipe size for basin, tap, toilet, and appliance supply lines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot \u0026amp; Cold Water\u003c\/strong\u003e — suitable for all standard domestic hot and cold water supply applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle or Pack of 10\u003c\/strong\u003e — buy what you need; pack of 10 offers the best per-unit value for trade use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePattern:\u003c\/strong\u003e Straight (inline)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Compression to Compression (CxC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Screwdriver Slot (quarter-turn)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Chrome Plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hot \u0026amp; Cold Water, Basin, Tap \u0026amp; Fixture Isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e WRAS Approved\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU (Single):\u003c\/strong\u003e K06926\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU (x10):\u003c\/strong\u003e K06926 x10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlt. Part Numbers:\u003c\/strong\u003e KPISO15 | 502CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/full-bore-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore version for maximum flow; ideal where flow rate matters\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-chrome-isolation-valve-flat-face-compression-1-2-bsp-thread\"\u003e\u003cstrong\u003e15mm Chrome Isolation Valve – Flat Face Compression\u003c\/strong\u003e\u003c\/a\u003e — flat face compression with ½\" BSP thread for specific fitting types\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/lever-isolation-valve-chrome-plated-15mm\"\u003e\u003cstrong\u003e15mm Chrome Lever Isolation Valve – Black Handle\u003c\/strong\u003e\u003c\/a\u003e — CxC compression lever valve with contemporary black handle; no screwdriver needed\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003e\u003cstrong\u003e15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore butterfly valve for hot water lines; quarter-turn lever\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm\"\u003e\u003cstrong\u003e15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — full bore butterfly valve for cold water lines; quarter-turn lever\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer to protect valves and appliances from limescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is a straight isolation valve used for?\u003c\/h4\u003e\n\u003cp\u003eA straight isolation valve is fitted inline on a water supply pipe to allow a single fixture — such as a basin tap, toilet cistern, or kitchen tap — to be isolated for maintenance or replacement without turning off the water supply to the whole property. It's one of the most commonly fitted plumbing components in domestic installations.\u003c\/p\u003e\n\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between a straight and angled isolation valve?\u003c\/h4\u003e\n\u003cp\u003eA straight (inline) valve is used where the pipe runs directly to the fixture — the valve sits in the pipe run without changing direction. An angled valve (90°) is used where the pipe comes up from the floor or out from the wall and needs to turn before connecting to the fixture. Choose based on your pipe configuration.\u003c\/p\u003e\n\n\u003ch4\u003eHow do I operate a screwdriver slot isolation valve?\u003c\/h4\u003e\n\u003cp\u003eUse a standard flathead screwdriver. When the slot is \u003cstrong\u003eparallel to the pipe\u003c\/strong\u003e, the valve is open. When the slot is \u003cstrong\u003eperpendicular (across) the pipe\u003c\/strong\u003e, the valve is closed. It's a quarter-turn (90°) operation — fast and positive.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this work with plastic pipe as well as copper?\u003c\/h4\u003e\n\u003cp\u003eThis valve uses standard CxC compression fittings, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert\/liner within the compression fitting to prevent the olive from crushing the pipe wall.\u003c\/p\u003e\n\n\u003ch4\u003eWhy buy the pack of 10?\u003c\/h4\u003e\n\u003cp\u003eThe pack of 10 offers the best per-unit price and is ideal for trade use, full bathroom or kitchen fits, or keeping a stock of spares on hand.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"Single","offer_id":52805626397009,"sku":"K06926","price":1.25,"currency_code":"GBP","in_stock":true},{"title":"Pack Of 10","offer_id":52805626429777,"sku":"K06926 x10","price":11.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k06926-extra-large.jpg?v=1787639331"},{"product_id":"full-bore-isolation-valve-chrome-15mm-wras","title":"15mm Full Bore Isolation Valve – Chrome Plated Brass | WRAS Approved | Screwdriver Slot | KeyPlumb","description":"\u003cp\u003eThe workhorse of the isolation valve world. The \u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve\u003c\/strong\u003e is the valve you fit and forget — tucked neatly behind a basin, under a sink, or inline on a supply pipe, ready to do its job when you need it. A \u003cstrong\u003escrewdriver slot\u003c\/strong\u003e keeps it tamper-resistant and compact in tight spaces, while the \u003cstrong\u003efull bore design\u003c\/strong\u003e ensures zero flow restriction when open. Chrome-plated brass construction, WRAS approval, and EN1254-2 compression fittings on both ends make this a specification-grade valve at a trade-friendly price.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWRAS Approved\u003c\/strong\u003e — independently tested and certified for use on mains potable water supplies; meets UK Water Supply (Water Fittings) Regulations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Bore Design\u003c\/strong\u003e — unrestricted 15mm flow path when open; no pressure drop or flow restriction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrewdriver Slot Operation\u003c\/strong\u003e — quarter-turn flathead screwdriver operation; tamper-resistant and compact for tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-Plated Brass Body\u003c\/strong\u003e — nickel-plated brass with chrome finish; corrosion-resistant and professional in appearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEN1254-2 Compression Fittings\u003c\/strong\u003e — standard compression connections both ends; compatible with 15mm copper and plastic pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10 Bar Rated\u003c\/strong\u003e — maximum operating pressure well above typical UK mains (3–5 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 95°C\u003c\/strong\u003e — suitable for hot and cold water systems and heating circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot \u0026amp; Cold Water\u003c\/strong\u003e — suitable for all standard domestic plumbing and heating applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e EN1254-2 Compression (both ends)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Full Bore Isolation Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Screwdriver Slot (quarter-turn)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Nickel-Plated Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Chrome Plated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Pressure:\u003c\/strong\u003e 10 bar (145 psi)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Working Temperature:\u003c\/strong\u003e 95°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hot \u0026amp; Cold Water, Heating Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e WRAS Approved, EN1254-2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU (x1):\u003c\/strong\u003e K06922\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlt. Part Numbers:\u003c\/strong\u003e KPFBISO15 | 1003CP\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eStraight Isolation Valve – Chrome 15mm (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — straight-pattern chrome isolation valve; WRAS approved\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-chrome-isolation-valve-flat-face-compression-1-2-bsp-thread\"\u003e\u003cstrong\u003e15mm Chrome Isolation Valve – Flat Face Compression\u003c\/strong\u003e\u003c\/a\u003e — flat face compression with ½\" BSP thread\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003e\u003cstrong\u003e15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — quarter-turn lever butterfly valve for hot water lines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm\"\u003e\u003cstrong\u003e15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — quarter-turn lever butterfly valve for cold water lines\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/lever-isolation-valve-chrome-plated-15mm\"\u003e\u003cstrong\u003e15mm Chrome Lever Isolation Valve – Black Handle\u003c\/strong\u003e\u003c\/a\u003e — CxC compression lever valve with contemporary black handle\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer to protect valves and appliances from limescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is the difference between a full bore and standard bore isolation valve?\u003c\/h4\u003e\n\u003cp\u003eA full bore valve maintains the same internal diameter as the connected pipework (15mm), so there is no restriction to flow when the valve is open. A standard bore valve has a reduced internal diameter which can restrict flow and cause a pressure drop. For applications where flow rate matters — showers, baths, washing machines — always choose full bore.\u003c\/p\u003e\n\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\n\u003ch4\u003eHow do I operate a screwdriver slot isolation valve?\u003c\/h4\u003e\n\u003cp\u003eUse a standard flathead screwdriver. When the slot is \u003cstrong\u003eparallel to the pipe\u003c\/strong\u003e, the valve is open. When the slot is \u003cstrong\u003eperpendicular (across) the pipe\u003c\/strong\u003e, the valve is closed. It's a quarter-turn (90°) operation.\u003c\/p\u003e\n\n\u003ch4\u003eIs this valve suitable for heating systems?\u003c\/h4\u003e\n\u003cp\u003eYes — the 95°C maximum temperature rating makes this valve suitable for heating system pipework, including radiator isolation and boiler connections, within standard domestic operating temperatures.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this work with plastic pipe as well as copper?\u003c\/h4\u003e\n\u003cp\u003eThis valve uses EN1254-2 compression fittings, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert\/liner within the compression fitting to prevent the olive from crushing the pipe wall.\u003c\/p\u003e\n\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"Single Valve","offer_id":52805645304145,"sku":"K06922","price":2.7,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k06922-extra-large.jpg?v=1787638942"},{"product_id":"cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm","title":"15mm Cold Water Butterfly Ball Valve – WRAS Approved | Blue Handle | Full Bore | KeyPlumb","description":"\u003cp\u003eThe cold water companion to the red handle hot water valve — same proven full-bore butterfly design, same WRAS approval, same quarter-turn simplicity. The \u003cstrong\u003eKeyPlumb 15mm Cold Water Butterfly Ball Valve\u003c\/strong\u003e features a \u003cstrong\u003eblue handle\u003c\/strong\u003e for instant cold water identification, eliminating any risk of confusion during installation or maintenance. Nickel-plated brass construction, PN25 pressure rating, and BS EN331 compliance make this a valve you can specify with confidence.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWRAS Approved\u003c\/strong\u003e — meets UK Water Regulations Advisory Scheme requirements; suitable for use on mains potable water supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS EN331 Compliant\u003c\/strong\u003e — manufactured to the European standard for ball valves\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue Handle\u003c\/strong\u003e — universally recognised cold water identification; industry-standard colour coding (blue = cold, red = hot)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Bore Design\u003c\/strong\u003e — unrestricted flow path; no pressure drop or flow restriction when fully open\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-Turn Operation\u003c\/strong\u003e — fast, positive 90° open\/close; lever position gives instant visual confirmation of valve state\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-Plated Brass Body\u003c\/strong\u003e — corrosion-resistant construction for long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm Compression Fitting\u003c\/strong\u003e — compatible with standard UK 15mm copper and plastic pipe systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN25 Rated\u003c\/strong\u003e — 25 bar working pressure; well above typical UK mains pressure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range −10°C to +85°C\u003c\/strong\u003e — suitable for all cold water and low-temperature applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable in Packs of 1, 2 or 5\u003c\/strong\u003e — buy the quantity you need at a better per-unit price\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Compression (both ends)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Butterfly Ball Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e Full Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Quarter-Turn Lever (90°)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Colour:\u003c\/strong\u003e Blue (Cold Water)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Nickel-Plated Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Pressure:\u003c\/strong\u003e PN25 (25 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e −10°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e WRAS Approved, BS EN331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU (x1):\u003c\/strong\u003e K55582\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003e\u003cstrong\u003e15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — the matching hot water companion; identical spec with red handle identification\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/keyplumb-15mm-full-bore-isolation-valve-chrome-plated-brass-wras-approved\"\u003e\u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — chrome-plated brass isolation valve for a smarter finish\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eStraight Isolation Valve – Chrome 15mm (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — straight-pattern WRAS approved chrome isolation valve\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-chrome-isolation-valve-flat-face-compression-1-2-bsp-thread\"\u003e\u003cstrong\u003e15mm Chrome Isolation Valve – Flat Face Compression\u003c\/strong\u003e\u003c\/a\u003e — flat face compression with ½\" BSP thread\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/lever-isolation-valve-chrome-plated-15mm\"\u003e\u003cstrong\u003e15mm Chrome Lever Isolation Valve – Black Handle\u003c\/strong\u003e\u003c\/a\u003e — CxC compression lever valve with contemporary black handle\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer to protect valves and appliances from limescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between the blue and red handle versions?\u003c\/h4\u003e\n\u003cp\u003eThe blue handle version (this product) is for \u003cstrong\u003ecold water\u003c\/strong\u003e lines; the \u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003ered handle version\u003c\/a\u003e is for \u003cstrong\u003ehot water\u003c\/strong\u003e lines. Both are identical in specification — the colour coding is a standard plumbing convention to prevent confusion during installation and maintenance.\u003c\/p\u003e\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\u003ch4\u003eIs this valve suitable for mains pressure systems?\u003c\/h4\u003e\n\u003cp\u003eYes — the valve is rated to PN25 (25 bar), well above typical UK mains pressure of 3–5 bar. It is WRAS approved for use on mains potable water supplies.\u003c\/p\u003e\n\u003ch4\u003eDoes this work with plastic pipe as well as copper?\u003c\/h4\u003e\n\u003cp\u003eThis valve uses a standard 15mm compression fitting, compatible with 15mm copper pipe. For plastic pipe, use the appropriate insert\/liner within the compression fitting to prevent the olive from crushing the pipe wall.\u003c\/p\u003e\n\u003ch4\u003eCan this valve be used on a hot water supply?\u003c\/h4\u003e\n\u003cp\u003eTechnically yes — the temperature rating of −10°C to +85°C covers most domestic hot water temperatures. However, for hot water lines we recommend the \u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003ered handle version\u003c\/a\u003e to maintain correct colour coding and avoid confusion.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"1","offer_id":53022797562193,"sku":"K55582","price":3.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k55582-extra-large.jpg?v=1787638718"},{"product_id":"hot-water-butterfly-lever-ball-valve-wras-app-red-15mm","title":"15mm Hot Water Butterfly Ball Valve – WRAS Approved | Red Handle | Full Bore | KeyPlumb","description":"\u003cp\u003eWhen you need to isolate a hot water supply quickly and confidently, the colour of the handle matters. The \u003cstrong\u003eKeyPlumb 15mm Hot Water Butterfly Ball Valve\u003c\/strong\u003e features a \u003cstrong\u003ered handle\u003c\/strong\u003e — the universally recognised identifier for hot water lines — so there's never any ambiguity during installation, maintenance, or an emergency shut-off. A single quarter-turn is all it takes to go from fully open to fully closed. WRAS approved and BS EN331 compliant, this is a valve you can fit and forget — ideal whether you're doing a single tap replacement or fitting out a full bathroom or kitchen.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWRAS Approved\u003c\/strong\u003e — meets UK Water Regulations Advisory Scheme requirements; suitable for use on mains water supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBS EN331 Compliant\u003c\/strong\u003e — manufactured to the European standard for ball valves for gas and other fluids\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Handle\u003c\/strong\u003e — universally recognised hot water identification; eliminates confusion between hot and cold supplies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Bore Design\u003c\/strong\u003e — unrestricted flow path maintains system pressure and flow rate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-Turn Operation\u003c\/strong\u003e — fast, positive open\/close action; handle position gives instant visual confirmation of valve state\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNickel-Plated Brass Body\u003c\/strong\u003e — corrosion-resistant construction for long-term reliability in hot water systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm Compression Fitting\u003c\/strong\u003e — compatible with standard UK 15mm copper and plastic pipe systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePN25 Rated\u003c\/strong\u003e — working pressure up to 25 bar; suitable for all standard domestic and commercial plumbing applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range −10°C to +85°C\u003c\/strong\u003e — suitable for hot and cold water systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Compression\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Butterfly Ball Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore:\u003c\/strong\u003e Full Bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Quarter-Turn Lever\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Colour:\u003c\/strong\u003e Red (Hot Water)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e Nickel-Plated Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorking Pressure:\u003c\/strong\u003e PN25 (25 bar)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Range:\u003c\/strong\u003e −10°C to +85°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApprovals:\u003c\/strong\u003e WRAS Approved, BS EN331\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU :\u003c\/strong\u003e K55581\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm\"\u003e\u003cstrong\u003e15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — the matching cold water companion; WRAS approved, same full bore design\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/keyplumb-15mm-full-bore-isolation-valve-chrome-plated-brass-wras-approved\"\u003e\u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — chrome-plated brass isolation valve, WRAS approved, for a smarter finish\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eStraight Isolation Valve – Chrome 15mm (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — straight-pattern chrome isolation valve for tight spaces\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-chrome-isolation-valve-flat-face-compression-1-2-bsp-thread\"\u003e\u003cstrong\u003e15mm Chrome Isolation Valve – Flat Face Compression\u003c\/strong\u003e\u003c\/a\u003e — flat face compression fitting with ½\" BSP thread\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/lever-isolation-valve-chrome-plated-15mm\"\u003e\u003cstrong\u003e15mm Chrome Lever Isolation Valve – Black Handle\u003c\/strong\u003e\u003c\/a\u003e — CxC compression lever valve with contemporary black handle\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer for 15mm pipework; protects valves and appliances from limescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eWhat is the difference between the red and blue handle versions?\u003c\/h4\u003e\n\u003cp\u003eThe red handle version (this product) is for \u003cstrong\u003ehot water\u003c\/strong\u003e lines; the \u003ca href=\"\/products\/cold-water-butterfly-lever-ball-valve-wras-app-blue-15mm\"\u003eblue handle version\u003c\/a\u003e is for \u003cstrong\u003ecold water\u003c\/strong\u003e lines. Both are identical in specification — the colour coding is a standard plumbing convention to prevent confusion during installation and maintenance.\u003c\/p\u003e\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\u003ch4\u003eIs this valve suitable for mains pressure systems?\u003c\/h4\u003e\n\u003cp\u003eYes — the valve is rated to PN25 (25 bar working pressure), which is well above typical UK mains pressure. It is WRAS approved for use on mains water supplies.\u003c\/p\u003e\n\u003ch4\u003eDoes this work with plastic (push-fit) pipe as well as copper?\u003c\/h4\u003e\n\u003cp\u003eThis valve uses a standard 15mm compression fitting. It is compatible with 15mm copper pipe. For use with plastic pipe, ensure you use the appropriate insert\/liner within the compression fitting. If in doubt, contact us at \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e for advice.\u003c\/p\u003e\n\u003ch4\u003eIs professional installation required?\u003c\/h4\u003e\n\u003cp\u003eWhile this valve is straightforward to install for a competent DIYer, we recommend professional installation to ensure compliance with building regulations and to maintain any relevant warranties on connected appliances.\u003c\/p\u003e\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"1","offer_id":53022804410705,"sku":"K55581","price":4.8,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k55581-extra-large.jpg?v=1787639204"},{"product_id":"lever-isolation-valve-chrome-plated-15mm","title":"15mm Chrome Lever Isolation Valve – Black Lever Handle | CxC Compression | KeyPlumb","description":"\u003cp\u003eA clean chrome body, a sharp black lever — this is an isolation valve that does its job without looking like an afterthought. The \u003cstrong\u003eKeyPlumb 15mm Chrome Lever Isolation Valve\u003c\/strong\u003e uses a \u003cstrong\u003ecompression-to-compression (CxC) fitting\u003c\/strong\u003e for straightforward installation on standard 15mm pipework, and a \u003cstrong\u003equarter-turn black lever\u003c\/strong\u003e for fast, positive shut-off. Whether you're isolating a tap, toilet, washing machine, or shower, one turn is all it takes — ideal for single jobs or trade use.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome-Plated Brass Body\u003c\/strong\u003e — corrosion-resistant construction with a polished finish that complements modern bathroom and kitchen fittings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack Lever Handle\u003c\/strong\u003e — contemporary styling with a positive grip; lever position gives instant visual confirmation of open\/closed state\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuarter-Turn Operation\u003c\/strong\u003e — fast, decisive shut-off; 90° from fully open to fully closed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCxC Compression Fitting\u003c\/strong\u003e — compression-to-compression connection; compatible with standard 15mm copper and plastic pipe\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e15mm Size\u003c\/strong\u003e — the most common domestic pipe size; suits taps, toilets, showers, washing machines, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for Hot \u0026amp; Cold Water\u003c\/strong\u003e — works across all standard domestic water supply applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 15mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e Compression to Compression (CxC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Lever Isolation Valve\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperation:\u003c\/strong\u003e Quarter-Turn Lever\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandle Colour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Finish:\u003c\/strong\u003e Chrome-Plated Brass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Hot \u0026amp; Cold Water Systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU (x1):\u003c\/strong\u003e K06927\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e KeyPlumb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComplete Your Valve Range\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003e\u003cstrong\u003e15mm Hot Water Butterfly Ball Valve – Red Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — WRAS approved butterfly ball valve for hot water lines; full bore, PN25 rated\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-compression-butterfly-ball-valve-wras-approved-blue-handle-cold-water\"\u003e\u003cstrong\u003e15mm Cold Water Butterfly Ball Valve – Blue Handle (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — matching cold water butterfly valve; WRAS approved\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/keyplumb-15mm-full-bore-isolation-valve-chrome-plated-brass-wras-approved\"\u003e\u003cstrong\u003eKeyPlumb 15mm Full Bore Isolation Valve – Chrome (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — WRAS approved full bore chrome isolation valve\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/straight-isolation-valve-chrome-15mm-wras\"\u003e\u003cstrong\u003eStraight Isolation Valve – Chrome 15mm (WRAS)\u003c\/strong\u003e\u003c\/a\u003e — straight-pattern WRAS approved chrome isolation valve\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/15mm-chrome-isolation-valve-flat-face-compression-1-2-bsp-thread\"\u003e\u003cstrong\u003e15mm Chrome Isolation Valve – Flat Face Compression\u003c\/strong\u003e\u003c\/a\u003e — flat face compression with ½\" BSP thread\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/electrolytic-scale-reducer-15mm-kpesr15-keyplumb\"\u003e\u003cstrong\u003eKeyPlumb 15mm Electrolytic Scale Reducer\u003c\/strong\u003e\u003c\/a\u003e — inline scale reducer to protect valves and appliances from limescale build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eIs this valve WRAS approved?\u003c\/h4\u003e\n\u003cp\u003eThis valve is compliant with UK plumbing standards for domestic use. If you specifically require a WRAS-approved valve for mains water supply applications, please see our \u003ca href=\"\/products\/keyplumb-15mm-full-bore-isolation-valve-chrome-plated-brass-wras-approved\"\u003eKeyPlumb 15mm Full Bore Isolation Valve (WRAS Approved)\u003c\/a\u003e or the \u003ca href=\"\/products\/15mm-hot-water-butterfly-ball-valve-wras-approved-red-handle\"\u003eWRAS Approved Butterfly Ball Valves\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch4\u003eCan I order if the item shows as out of stock?\u003c\/h4\u003e\n\u003cp\u003eYes — we can fulfil this product even when stock shows as zero. Place your order as normal and we'll confirm lead time with you.\u003c\/p\u003e\n\u003ch4\u003eDoes this work with plastic (push-fit) pipe?\u003c\/h4\u003e\n\u003cp\u003eThis valve uses a standard 15mm compression fitting. It is compatible with 15mm copper pipe. For use with plastic pipe, ensure you use the appropriate insert\/liner within the compression fitting to prevent the olive from crushing the pipe.\u003c\/p\u003e\n\u003ch4\u003eWhat is the difference between CxC and a flat-face compression valve?\u003c\/h4\u003e\n\u003cp\u003eCxC (compression-to-compression) means both ends of the valve accept a standard olive-and-nut compression fitting — the most common type in UK domestic plumbing. A flat-face compression valve has a different end connection designed for specific fittings. For most standard installations, CxC is the correct choice.\u003c\/p\u003e\n\u003ch4\u003eCan this valve be used on a hot water supply?\u003c\/h4\u003e\n\u003cp\u003eYes — this valve is suitable for both hot and cold water systems in standard domestic plumbing applications.\u003c\/p\u003e\n\u003ch2\u003eDelivery Information\u003c\/h2\u003e\n\u003cp\u003eThis is a small, postable item covered by a one-off small item delivery charge. You can combine it with other small items in a single order and pay just one delivery charge. \u003ca href=\"\/collections\/small-items\" target=\"_blank\"\u003eBrowse all items covered by the small delivery charge\u003c\/a\u003e.\u003c\/p\u003e","brand":"KeyPlumb","offers":[{"title":"1","offer_id":53024414990673,"sku":"K06927","price":1.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/k06927-extra-large.jpg?v=1787638515"}],"url":"https:\/\/www.bubblegumbathrooms.com\/collections\/isolators.oembed","provider":"Bubblegum Bathrooms","version":"1.0","type":"link"}