and Keeprite brand families

Electrical Efficiency: The 460Vac PSC configuration delivers reliable operation with a low amperage draw for high-voltage commercial footprints

Reduced Maintenance: The McDonnell & Miller 144693 features a patented self-cleaning probe to prevent mineral accumulation

the unit is tested to 1 PSI

Constructed with a durable diaphragm and high-reliability electrical contacts

Lennox 44L65 Limit Switch 320735-701 and Keeprite brand familiesThe Lennox 44L65 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a 160 185F AUTO limit switch, this normally closed (NC) thermal sensor monitors heat exchanger temperatures to prevent overheating and potential component failure. Functioning as a high limit safety cut out, the 44L65 features an automatic reset mechanism that restores the circuit once