120-940

This high-performance refrigerant pressure switch is a critical safety and operational component for HVAC and cooling systems. Designed as an air-proving switch, it monitors internal pressure levels to ensure the system operates within safe parameters. Calibrated for 7/22 PSIG thresholds, the switch opens or closes the electrical circuit to protect the compressor from damage caused by low pressure or refrigerant loss. It is an essential replacement part for restoring the reliability of residential or commercial refrigeration units, preventing frequent system cycling, and ensuring optimal cooling efficiency. Durable and engineered for precision, this switch helps maintain the longevity of heating and cooling equipment by acting as a dependable fail-safe.
Type: Air Pressure Switch / Refrigerant Pressure Sensor
Size: Small
Application: HVAC systems, residential and commercial refrigeration units, heat pumps, and air-proving applications.
Specifications: Operating range: 7/22 PSIG (Open/Close); Air-proving functionality; designed for refrigerant-based cooling systems.