The Korky QuietFILL Fill Valve is a replacement water fill valve designed for compatible automatic fill and water-level applications. The adjustable 8" to 11-5/16" range allows it to fit supported installations where the original valve needs to be replaced due to wear, sticking, leaking, or poor shutoff performance.Use this part when replacing a worn, damaged, missing, or failed original component in a compatible system. Always compare the existing part, equipment model, dimensions, electrical ratings, and part number before ordering to confirm correct fit and application. Replacement QuietFILL water fill valve Adjustable 8" to 11-5/16" height range Helps maintain proper water fill operation Useful when the original valve leaks or sticks Verify part number 528SP before purchase