The Lennox PS80?01?1216 High Pressure Switch is a safety-critical OEM component designed to protect HVAC systems from excessively high refrigerant pressures. This SPST, normally closed switch opens at a threshold of 640 PSI, safeguarding compressors and system components from potential damage due to overpressure conditions. Key Features OEM Lennox high pressure switch SPST (Single Pole, Single Throw), normally closed Opens at 640 PSI to prevent system damage Reliable performance for pressure regulation and safety control Designed for HVAC applications requiring high-pressure monitoring Specifications Model: PS80?01?1216 Type: High Pressure Switch Switch Type: SPST, Normally Closed Opening Pressure: 640 PSI Application: Refrigeration and air conditioning systems Compatible Models Lennox LGM036U4-01 Lennox LGM048U4-01 Lennox LGM060U4-01 Also fits additional Lennox rooftop and split HVAC units Why Choose This Item The Lennox PS80?01?1216 High Pressure Switch offers dependable overpressure protection, helping to extend equipment life and maintain operational safety. Its OEM quality, precise pressure response, and easy integration make it the smart choice for maintaining HVAC system reliability and performance.