Ideal Standard Hot Side Flow Cartridge — A952500NU
The A952500NU (FTB11108) is the official Ideal Standard clockwise-to-close (CL) ceramic disc cartridge. Primarily used as the hot water flow control in thermostatic shower valves like the Trevi Therm, Trevi Boost, and Sottini Alchemy, this cartridge ensures a drip-free seal and a precise 90-degree "click" action. Built with high-grade brass and durable ceramic discs to withstand high temperatures and daily use.
Technical Specifications
- Thread Size: M25 x 1.
- Operation: 1/4 Turn (Clockwise Close).
- Spline: 40-44 Teeth (approx. 9.3mm diameter).
- Application: Hot water flow control.
- Compatibility: Trevi Therm, Boost, and Sottini ranges.
Why Choose Genuine?
Using the genuine A952500NU ensures that the spline perfectly matches your existing handle, preventing any "play" or wobbling. Generic alternatives often use inferior ceramic discs that can crack under the high heat of the hot water supply, leading to premature failure and leaks.
Complete Your Repair
This is the Hot Side (Clockwise Close) cartridge. If you are experiencing drips, we highly recommend checking the cold side as well:
• Need the Cold Side? Buy the A952501NU Cold Valve here.
• Replace both & save: Buy the S8739NU Pair Kit (Hot & Cold) here.