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Replacing a failed switch restores safe startup sequencing and reliable heater performance
reducing maintenance time and chemical adjustments when you reopen
Seals pump lid to strainer housing
Waterway Plastics manufactures pool circulation components used by builders nationwide
Hayward Swivel Nut and Knob | SPX1600PN Vac Alert Replacing a failed switch restoresWhat 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
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