Best current price£186.40from B&Q
Shopping.co.uk recommended and popular offers
B&Q£186.40Visit shop B&Q - Concealed Cistern Toilet Front Actuation (Cistern Only) 109.392.00.5
Visit shop1 offer from £186.40
View price history by clicking the chart icon.
The Geberit Naked Concealed Cistern (109.392.00.5) is an ideal solution for homeowners and professionals seeking a streamlined, space-saving toilet installation that hides the tank behind the wall. It offers reliable, high-performance dual flushing that minimizes water waste, though it requires professional-grade installation expertise due to its concealed nature within the wall cavity.
| Colour | White |
|---|---|
| Model Part Number | 109.392.00.5 |
| Brand | Geberit |
No, the flush plate must be purchased separately to match your preferred bathroom aesthetic.
Yes, the system allows for manual adjustment of the flush volume to ensure compatibility with different toilet pans.
This unit is designed for a standard 12cm installation depth, making it suitable for most modern stud-wall applications.
Yes, all maintenance and servicing are performed through the front flush plate aperture, meaning you do not need to remove wall tiles.
The cistern is rated for a maximum water operating temperature of 25°C.
Check the flush volume settings and ensure the fill valve is not restricted by debris in the supply line.
Inspect the flush valve seal for calcium buildup or damage and clean or replace as necessary.
Adjust the water supply stop valve to regulate flow pressure if it exceeds the recommended range.
Installation should always be performed by a qualified plumber to ensure all water supply connections are sealed correctly to prevent leaks within the wall. Before installation, confirm that your chosen toilet pan is compatible with a concealed cistern system. Ensure that the wall structure can support the weight of the frame and the mounted toilet. Regarding care, the cistern is designed to be maintenance-free under normal operation. If service is required, access to the internal components is gained through the front-mounted flush plate opening, which allows you to inspect the fill and flush valves without damaging the wall tile or finish.
