Pentair Autofill with Fluidmaster Valve, Dark Gray | T40FDG PresAir Proper traction helps the cleaner

Proper traction helps the cleaner move across pool floors and walls

Manufacturer part number 744000390

and any area where gas grills are prohibited

It plays a crucial role in removing floating debris to keep circulation smooth

Pentair Autofill with Fluidmaster Valve, Dark Gray | T40FDG PresAir Proper traction helps the cleanerWhat This Part Is Used For The Pentair T40FG Autofill with Fluidmaster Valve Dark Gray maintains consistent pool water level. It automatically replaces evaporated water through a controlled valve system. Why This Part Matters Proper water level protects pumps from air lock and cavitation. An autofill minimizes manual maintenance and stabilizes system performance. It also helps maintain consistent waterline appearance. Key Features and Specifications