Geberit 109.304.00.5 is a Sigma concealed dual-flush tank for floor-mount, back-outlet washdown toilets in 2x6 wall installations.
- Designed for compatible floor-mount back-outlet toilet bowls where a wall-hung toilet is not practical.
- 1.6/0.8 GPF dual-flush Sigma concealed tank with high-density polyethylene construction.
- Conceals the tank, fill valve, and flush valve inside the wall for a cleaner bathroom design.
- Includes Sigma concealed tank, water supply stop, drainage elbow, fill and flush valves, and mounting hardware.
- Pair with a compatible Sigma actuator plate or remote flush button, sold separately.
Requires compatible floor-mount back-outlet toilet bowl and proper 2x6 wall construction.
