Important Product Notice: This original Opella Torbeck brass-shank model is discontinued. We have limited remaining stock. Once sold out, the official Fluidmaster replacement is the Fluidmaster 722U-067-P25.
Opella Torbeck Bottom Entry Adjustable Fill Valve — B661AT1/2B
The Opella Torbeck B661AT1/2B is a premium bottom-entry float valve featuring a heavy-duty 1/2" brass shank. This brass tail provides extra durability and prevents cross-threading during installation, making it a favorite for professional plumbers. Designed for versatility, it is height-adjustable and engineered to provide a fast, quiet fill even in low-pressure environments.
Identification Guide:
MPN: B661AT1/2B | SKU: FTB13163 | Inlet: 1/2" BSP Brass Tail | Type: Bottom Entry
Key Features
- Brass Connection: Durable 1/2" brass tail for a secure, leak-proof connection to the mains.
- Height Adjustable: Telescopic adjustment ensures compatibility with most ceramic and plastic cisterns.
- Low Pressure Optimized: Delivers high flow rates even at low bar pressures.
- Silent Operation: Designed to minimize "water hammer" and refill noise.
Replacement Advice
If you are replacing an existing B661AT1/2B and this item is no longer in stock, please use the 722U-067-P25. It shares the same bottom-entry configuration and 1/2" brass shank, ensuring a straightforward swap without modifying your pipework.