Fluidmaster Torbeck 8.5” Bottom Entry Fill Valve — 721U-069-P25
The Fluidmaster Torbeck 721U-069-P25 is a high-performance bottom entry fill valve specifically designed for cisterns requiring a fixed 8.5-inch height. Featuring a robust 1/2" brass shank, this valve provides a secure, professional-grade connection that eliminates the risk of cross-threading. It is engineered to provide a fast and exceptionally quiet refill, making it one of the most reliable valves on the market today.
Identification Guide:
MPN: 721U-069-P25 | SKU: FTB14025 | Height: 8.5" (Fixed) | Compliance: AG Airgap / Reg4
Key Features
- Brass Connection: Heavy-duty 1/2" brass tail for maximum durability and long-term reliability.
- Extreme Low Pressure: Maintains high performance and fast filling even at pressures as low as 0.1 bar.
- Compact Design: Small footprint ensures it fits easily into tight or crowded cisterns without obstruction.
- Modern Compliance: Fully Reg4 compliant with an AG Airgap to prevent backflow contamination.
Maintenance & Installation
Designed with the installer in mind, this valve features an easy-twist cap, allowing for quick access to internal components for cleaning or washer replacement without needing to remove the entire valve. Its fixed height makes it a "drop-in" solution for standard-sized installations.



