Description
Keep your bathroom's flushing system discreet with the Tavistock TR9009 In-Wall Concealed Cistern. Designed for tiled-in installations, it combines an insulated tank with pneumatic dual-flush operation and service access through a compatible flush-plate aperture, helping you plan a clean finish without overlooking future maintenance.
The manufacturer's technical sheet specifies a 138–194mm installation void, a side-entry inlet and adjustable flush settings. Flush plates are available separately, so you can choose a compatible visible control to complement your bathroom.
Key Features
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Adjustable dual flush: 3/6-litre flush option, with adjustment details provided in the installation instructions.
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Pneumatic operation: pneumatic flush valve with push-button actuation.
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Insulated tank: polystyrene jacket helps reduce condensation on the cistern body.
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Side-entry inlet: ½-inch BSP connection.
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Top and front access: internal parts serviceable through the flush-plate aperture when installed as instructed.
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Air-gap inlet valve: fitted as stated in the manufacturer's technical sheet.
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Installation flexibility: specified for a 138–194mm void and 20–95mm cladding with adjustable flush-plate mounting.
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Fixings included: confirmed in the TR9009 technical sheet.
Technical Specification
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Brand: Tavistock / Roper Rhodes
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Product code: TR9009
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Product type: in-wall concealed cistern
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Flush mechanism: pneumatic dual flush
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Flush option: adjustable 3 / 6 litres
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Working-pressure range: 0.1–10.0 bar
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Inlet: side entry, ½-inch BSP
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Required void depth: 138–194mm, per manufacturer's technical sheet
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Cladding thickness: 20–95mm with adjustable flush-plate mounting
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Access: top and front; parts serviceable through the flush-plate aperture
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Insulation: polystyrene jacket
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Flush pipe: greater-than-90-degree design with securing bracket
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Vertical flush-pipe length: 177–327mm
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Fixings: included
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Flush plate: sold separately
Installation & Compatibility
Have your installer check the pan's inlet position, pipework, available void, cladding thickness and service opening before purchase. The manufacturer's sheet gives 327mm as the flush inlet pipe height to the pan and states that the pipe can be cut down for different inlet locations. Follow the installation instructions rather than treating any single dimension as a universal fitting position.
Maintain access to the working parts after tiling. A compatible pneumatic button can be used instead of a plate, but the manufacturer requires separate maintenance provision in that arrangement. This cistern is not a load-bearing support frame; any wall-hung pan needs a suitable support system.
Frequently Asked Questions
What depth of void does the cistern need?
The manufacturer's technical sheet specifies a 138–194mm void. It also notes that battens can be used where a deeper void is required. Have your installer confirm the complete installation clearance.
What thickness of cladding can be used?
The sheet specifies 20–95mm for adjustable flush-plate mounting. Check the chosen plate and installation instructions before preparing the finished surface.
Is a flush plate included?
No. Compatible flush plates are sold separately. The linked Premium Pneumatic Flush Plate range lists TR9009 compatibility.
Can I use a flush button instead?
Yes, the manufacturer permits a compatible flush button, provided separate access is made for maintenance in place of the flush-plate opening.
What water pressure does it require?
The manufacturer's technical sheet specifies a working-pressure range of 0.1–10.0 bar. Your installer should check your actual supply and connection requirements.
Can the flush volumes be adjusted?
Yes. The sheet lists a 3/6-litre adjustable option. It also describes a minimum achievable setting of 4.5 litres full flush and 2.6 litres reduced flush using the specified valve adjustments. Have your installer follow the instructions and confirm suitability for your WC pan.
Does it need to be removed for servicing?
The sheet states that all parts are serviceable through the flush-plate aperture when the installation provides the intended access. Do not tile over or obstruct the maintenance opening.
Can I order if the item shows as out of stock?
Yes. Out-of-stock ordering is enabled for this non-clearance product, subject to supplier availability. For a current lead time, contact customerservice@bubblegumbathrooms.co.uk or call 01603 381095.
Delivery Information
This 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. Browse all items covered by the small delivery charge.
Complete Your Installation
Choose a compatible pneumatic control and confirm the required service access with your installer before ordering.
