Official Replacement Model: This Fluidmaster Torbeck 722U-067-P25 is the direct, upgraded functional replacement for the discontinued Opella Torbeck B661AT1/2B. It features the same heavy-duty brass connection with enhanced internal components.
Torbeck Height Adjustable Bottom Entry Fill Valve — 722U-067-P25
The Fluidmaster Torbeck 722U-067-P25 combines the legendary quiet-fill technology of Torbeck with a heavy-duty 1/2" brass shank for ultimate durability. Designed to replace legacy Opella models, this telescopic valve adjusts between 273mm and 326mm in height. It is fully Reg4 and AG Airgap compliant, making it the safest and most reliable choice for modern UK water regulations.
Identification Guide:
MPN: 722U-067-P25 | SKU: FTB14023 | Replaces: B661AT1/2B | Inlet: 1/2" BSP Brass
Key Features
- Adjustable Height: Telescopic body extends from 273mm to 326mm to fit almost any cistern.
- Brass Connection: High-grade brass tail prevents cross-threading and ensures a robust seal.
- Water Level Control: Precise adjustment range from approx. 163mm to 218mm for efficient flushing.
- Easy Maintenance: Designed with an "Easy Twist" cap for rapid access to washers and filters.
Professional Choice
The small footprint of the 722U-067-P25 makes it the perfect solution for tight, modern cisterns where space is at a premium. Its Reg4 compliance ensures that it prevents backflow, protecting your home's water supply while maintaining the "whisper quiet" fill that Torbeck users expect.



