Description
Pentair AutoFill Gray Side-Mount Float Valve | T40BG
Automatically maintain the proper pool water level with the genuine Pentair AutoFill featuring a side-mounted brass float valve and durable gray housing.
Features
- Genuine Pentair OEM automatic water filler
- Side-mounted brass float valve
- Designed for standard inground pools
- Durable ABS polymer housing
- Gray lid complements many pool deck finishes
- No electrical controls required
The Pentair T40BG AutoFill automatically replaces water lost through normal evaporation, helping maintain the ideal operating level for your pool. Its side-mounted brass float valve delivers dependable mechanical operation while the corrosion-resistant ABS housing provides long-lasting durability in residential pool environments.
Pro Tip
Inspect and clean the float valve annually to prevent mineral buildup that can affect water level accuracy and valve performance.
Installation Tips
Install the housing level with the finished deck and connect the water supply according to Pentair installation instructions. After installation, adjust the float to achieve the desired operating water level.









