Shop refrigerant pressure switches at Open To Public HVAC Parts in Dallas. We carry high-pressure cutout switches, low-pressure switches, and dual-pressure controls for air conditioning and heat pump systems. Compatible with all major brands — in stock for same-day walk-in pickup.
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Refrigerant-side high pressure cutout switch for Goodman / Amana equipment. It is a safety device in the 24 V control circuit: contacts open when discharge pressure climbs too high – dirty condenser, failed condenser fan, or overcharge – shutting the compressor down before damage occurs.
Supco high-pressure switch — opens at 425 PSI, closes at 300 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from high head pressure.
Supco high-pressure switch — opens at 450 PSI, closes at 250 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from high head pressure.
Supco high-pressure switch — opens at 600 PSI, closes at 475 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from high head pressure.
Supco low-pressure switch — opens at 10 PSI, closes at 25 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 20 PSI, closes at 45 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 25 PSI, closes at 65 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 35 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 40 PSI, closes at 80 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 45 PSI, closes at 60 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.
Supco low-pressure switch — opens at 50 PSI, closes at 90 PSI. 1/4″ SAE flare fitting, auto-reset. Protects compressor from low refrigerant pressure.