Hayward Swivel Nut and Knob | SPX1600PN Vac Alert Routine inspection helps identify worn

Routine inspection helps identify worn sealing surfaces

and turn a simple pump maintenance issue into a bigger wet-end repair

Hydro-Quip is a trusted name in spa equipment with a focus on dependable blowers and air systems

Waterway Plastics manufactures pool circulation components used by builders nationwide

or frequent guests seeking peace of mind

Hayward Swivel Nut and Knob | SPX1600PN Vac Alert Routine inspection helps identify wornWhat This Part Is Used For The Hayward SPX1600PN is a swivel nut and knob assembly used to secure the pump strainer cover. It allows the lid to be tightened and loosened for basket access. This hardware attaches directly to the pump housing. Why This Part Matters Damaged lid hardware can prevent proper tightening and lead to air leaks. If the lid cannot seal correctly, the pump may lose prime. Replacing worn hardware ensures secure and consistent lid