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As a direct replacement transformer for legacy part numbers 0130M00152S and 0130M00329
compatible with a 24VAC/DC power source and standard building automation controllers
it includes the integrated sensing bulb required for accurate thermal expansion monitoring of the suction line
" contributing to component longevity and energy efficiency
ensuring optimal evaporator efficiency across a wide range of refrigerants including R410A
Lennox 56W25 Limit Switch 321702-401 As a direct replacement transformerThe 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