Pentair Purex MMX/MMX Plus/PowerMax 1/4" MPT SPNO Pressure Switch (470190Z)

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Made for specific Purex applications, this part is useful when pumps, filters, heaters, or valves depend on a clean original-style fit. The pressure switch is used on MMX/MMX Plus/ PowerMax 1/4" MPT SPNO Pressure Switch applications and helps verify flow or pressure conditions before the heater is allowed to operate. It is a useful replacement when the existing part is cracked, corroded, stripped, distorted, leaking, missing, or no longer holding the correct operating position.This type of service part is ideal for repairing a known failure point while retaining the surrounding housing, valve, heater, or filter components. This part is best suited for precise repairs where the matching OEM-style part number, 470190Z, is the main guide for compatibility. Compare the old part, equipment label, and exploded diagram so the replacement matches the exact Purex configuration. Show more