{"product_id":"tavistock-vortex-vor790-insulated-pneumatic-concealed-cistern","title":"Tavistock Vortex VOR790 Slimline Concealed Cistern | 135mm | 3\/6L","description":"\u003cp\u003eCreate a tidy back-to-wall toilet installation without a visible cistern. The \u003cstrong\u003eTavistock Vortex VOR790 concealed cistern\u003c\/strong\u003e has a slimline 135mm depth to help make the most of the space inside bathroom furniture. Its insulated body helps reduce condensation, while pneumatic dual flush operation offers a choice of 3 or 6 litres.\u003c\/p\u003e\u003cp\u003eA pre-assembled design and bottom-entry inlet help simplify installation. Top and front access points allow for servicing, provided suitable access is retained in the finished furniture installation.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlimline design:\u003c\/strong\u003e 135mm cistern depth for space-conscious furniture installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePneumatic dual flush:\u003c\/strong\u003e select a 3 litre reduced flush or 6 litre full flush.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInsulated body:\u003c\/strong\u003e helps reduce condensation around the cistern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom-entry inlet:\u003c\/strong\u003e for installations with a suitable water supply connection from below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-assembled:\u003c\/strong\u003e helps reduce preparation during fitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance access:\u003c\/strong\u003e top and front access points for future servicing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating pressure:\u003c\/strong\u003e listed range of 0.2–10.0 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specification\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Tavistock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRange:\u003c\/strong\u003e Vortex\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ MPN:\u003c\/strong\u003e VOR790\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e concealed cistern\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eActuation:\u003c\/strong\u003e pneumatic dual flush\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush volumes:\u003c\/strong\u003e 3 litre reduced \/ 6 litre full flush\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater inlet:\u003c\/strong\u003e bottom entry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWidth:\u003c\/strong\u003e 434mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDepth:\u003c\/strong\u003e 135mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating pressure:\u003c\/strong\u003e 0.2–10.0 bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e insulated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccess:\u003c\/strong\u003e top and front\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e white\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed weight:\u003c\/strong\u003e 5.5kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGTIN:\u003c\/strong\u003e 5016519407853\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eIntended for suitable back-to-wall toilet and bathroom furniture installations. Ask your installer to confirm the pan connection, internal furniture space, inlet position and flush-control requirements before ordering. The 135mm measurement is the cistern depth, not a guarantee that a finished installation will fit within a 135mm void.\u003c\/p\u003e\u003cp\u003eRetain suitable access to the inlet and flush valves for maintenance. Match any replacement or alternative button to the pneumatic mechanism and check its connections, mounting opening and clearance before fitting. Mechanical rod-operated buttons are not interchangeable simply because they offer dual flush.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWill this fit my back-to-wall toilet unit?\u003c\/h3\u003e\u003cp\u003eCheck the unit's internal dimensions and the pan and pipe connections with your installer. The cistern is listed as 434mm wide and 135mm deep, but additional space is needed for connections, fitting and maintenance. Contact us with your toilet and furniture model if you need help checking suitability.\u003c\/p\u003e\u003ch3\u003eHow does the dual flush work?\u003c\/h3\u003e\u003cp\u003eThe pneumatic mechanism provides a 3 litre reduced flush and a 6 litre full flush, selected using a compatible pneumatic control.\u003c\/p\u003e\u003ch3\u003eIs it suitable for a low-pressure water supply?\u003c\/h3\u003e\u003cp\u003eThe listed operating range is 0.2–10.0 bar. Your installer should confirm that the supply pressure and installation meet the cistern's requirements.\u003c\/p\u003e\u003ch3\u003eDoes the insulation prevent all condensation?\u003c\/h3\u003e\u003cp\u003eThe insulated body helps reduce condensation. Bathroom ventilation and the difference between incoming water and room temperatures also affect condensation.\u003c\/p\u003e\u003ch3\u003eIs a flush button included?\u003c\/h3\u003e\u003cp\u003eThe current listing does not confirm the supplied button or actuator. Before ordering a separate control, email \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e or call 01603 381095 so we can confirm the supplied contents and suitable options.\u003c\/p\u003e\u003ch3\u003eCan I order if the item shows as out of stock?\u003c\/h3\u003e\u003cp\u003eYes. This non-clearance item can be ordered when out of stock, subject to supplier availability. For a current lead time, email \u003ca href=\"mailto:customerservice@bubblegumbathrooms.co.uk\"\u003ecustomerservice@bubblegumbathrooms.co.uk\u003c\/a\u003e or call 01603 381095.\u003c\/p\u003e\u003ch2\u003eDelivery Information\u003c\/h2\u003e\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\u003ch2\u003eComplete Your Tavistock Installation\u003c\/h2\u003e\u003cp\u003eExplore these Tavistock pneumatic flush controls to coordinate your bathroom fittings. Confirm the selected control's connections and mounting requirements for your VOR790 before purchase:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tavistock-round-dual-flush-button\"\u003eTavistock Round Pneumatic Dual Flush Button\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tavistock-pneumatic-square-flush-button\"\u003eTavistock Square Pneumatic Dual Flush Button\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/tavistock-oval-flush-button\"\u003eTavistock Oval Pneumatic Dual Flush Button\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/all-toilet-seats\" target=\"_blank\"\u003eBrowse All Toilet Seats — view all styles, shapes \u0026amp; materials\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Tavistock","offers":[{"title":"Default Title","offer_id":52711512998225,"sku":"VOR790","price":67.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0997\/3687\/9441\/files\/Vortex-Bottom-Inlet-Concealed-Cistern-1083751.webp?v=1767097364","url":"https:\/\/www.bubblegumbathrooms.com\/products\/tavistock-vortex-vor790-insulated-pneumatic-concealed-cistern","provider":"Bubblegum Bathrooms","version":"1.0","type":"link"}