400AH – PerforMAX® Fill Valve
Most powerful fill valve on the market. The 400AH is also known as the 400ARHR. Fluidmaster recommends the PerforMAX® fill valve for toilets manufactured from 1994 to the current time.
- Easy to install
- Quietest and Most Powerful Solution
- Features Ultra Quiet Fill
- 2X greater refill rate than standard fill valves
- Height adjusts 10″ to 15″
- Helps prevent excessive or inadequate bowl fill level
- Some toilet models not supported: Flapperless, One Piece Toilets and Side Entry Valves.
Watch this video on how to install Fluidmaster PerforMAX®:
To check your toilet’s flush volume, please click here.