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Liquid Handling Capabilities: The large shell design provides superior protection against liquid refrigerant migration during startup or low-load cycles
critical rotation component engineered for high-demand commercial HVAC and refrigeration systems
this assembly upgrades legacy rotary dial hardware to a modern
this switch acts as a reliable air proving switch
Often caused by a failing inducer
Lennox 69W57 Pressure Switch 340793-762 Liquid Handling Capabilities: The largeThe Lennox 69W57 Pressure Switch is a critical OEM replacement part engineered for high efficiency, 2 stage HVAC systems. As a dual stage sensing component, it accurately monitors the differential pressure within the inducer housing to ensure the combustion process is safe before allowing ignition. This Lennox 102737 05 pressure switch features precise factory set parameters, with a high set point of 0. 68" W. C. and a low set point of 0. 30" W. C.,
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