Engineered as a direct OEM replacement for 48J0101

Lead-free brass construction for potable water and hydronic heating systems

How do I test this limit switch during a service call

It is recommended to inspect the blower wheel for debris or imbalance when swapping the P322544 to ensure longevity

Armstrong Furnace R46257-001 Defrost Board Els PW 17895 Engineered as a direct OEMThe Armstrong Furnace R46257 001 Defrost Board is a critical replacement control module engineered for heat pump systems requiring precise defrost cycle termination and initiation. This OEM control board manages the reversing valve and outdoor fan motor operations during low ambient conditions to prevent evaporator icing and maintain system COPs. Designed for seamless integration with Armstrong and Air Ease heat pumps, the R46257 001 features