Description
Pentair AutoFill Fluidmaster Valve – White | T40FW
Automatically maintain the proper pool water level with the genuine Pentair AutoFill featuring a Fluidmaster fill valve and durable white housing.
Features
- Genuine Pentair OEM automatic water filler
- Bottom-mounted Fluidmaster fill valve
- Designed for standard inground pools
- Durable ABS polymer housing
- White lid complements light-colored pool decks
- No electrical controls required
The Pentair T40FW AutoFill automatically replaces water lost through evaporation and normal pool operation, maintaining the proper operating level without manual filling. Its dependable Fluidmaster valve and corrosion-resistant housing provide long-lasting performance while helping protect pumps and filtration equipment from low-water conditions.
Pro Tip
Inspect the Fluidmaster valve periodically and remove any mineral buildup to maintain accurate water level control and extend service life.
Installation Tips
Install the housing flush with the finished deck, flush the water supply line before connecting the valve, and adjust the float after startup according to Pentair installation guidelines.









