Pentair UltraTemp/ThermalFlo Fan Evaporator Relay (473150Z)

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This fan evaporator relay is an electrical control component for compatible Pentair UltraTemp and ThermalFlo heat pump systems. It helps manage power delivery to fan or evaporator- related circuits so the unit can move air and transfer heat as designed. A failing relay may lead to intermittent fan operation, no fan response, inconsistent heating, or diagnostic issues that affect overall system reliability.Use this replacement when electrical troubleshooting confirms the relay is no longer switching properly. It is intended for service work performed with power disconnected and by someone qualified to diagnose pool heat pump circuits. Matching the part number and model helps restore dependable control of the related heating system components. Show more