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and ER402 models to ensure a reliable seal
it includes the integrated sensing bulb required for accurate thermal expansion monitoring of the suction line
Its rugged NEMA 2 (IP54) die-cast housing allows for flexible mounting in various orientations
ensuring optimal evaporator efficiency across a wide range of refrigerants including R410A
Lennox 56W25 Limit Switch 321702-401 and ER402 models to ensureThe Lennox 56W25 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in Lennox, Armstrong, and Ducane furnace assemblies. This normally closed safety component features a 3 inch insert length and operates on an automatic reset logic, ensuring the system remains protected without requiring manual intervention after a thermal event. It is engineered with a precise 250F cut out (open) temperature and a 220F cut
US$ 199.50
US$ 399.50
US$ 399.50
US$ 899.50