Pentair Black AutoFill Lid w/Screw (T10BK) valveparts The spring helps the check

The spring helps the check valve open and close as intended

Helps restore intended ultraviolet output

Replacing the overlay is often one of the smartest focused repairs when the control electronics are still serviceable

or no longer powers the cleaner as intended

That keeps service more targeted and cost-conscious

Pentair Black AutoFill Lid w/Screw (T10BK) valveparts The spring helps the checkPentair Black AutoFill Lid w Screw is a genuine Pentair AutoFill replacement component for compatible pool water leveling systems. AutoFill parts help protect the fill assembly, maintain a finished appearance, and support reliable water level management. Replacing a missing, cracked, faded, or damaged cover component helps keep the system accessible and properly protected. This part is a useful choice for pool maintenance, repair, or color matching