Pentair UltraTemp 600/380 High Refrigerant Pressure Switch (473744Z)

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This high refrigerant pressure switch is a safety and monitoring component for compatible Pentair UltraTemp heat pump models. It helps protect the refrigeration circuit by respondi ng to abnormal high-pressure conditions that can occur from airflow restrictions, system faults, or other operating issues. A failing switch may create error messages, intermittent shutdowns, or prevent the heat pump from running as intended.Use this replacement during diagnostics performed by a qualified service professional familiar with pool heat pump systems. It is intended to help restore proper safety feedback, not bypass underlying causes of high pressure. Confirm model compatibility and follow electrical and refrigerant-system safety procedures before installation. Show more