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replace every 6 months or when flow rates noticeably drop to maintain full scale-inhibition performance
providing a consistent fail-safe response
minimizing arcing and extending the operational life of the unit’s heating components
Streamlined Installation: Compact design with standard quick-connect connectors allows for fast
Armstrong Furnace R46257-001 Defrost Board Els PW 17895 replace every 6 months orThe 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
US$ 189.00
US$ 39.95
US$ 35.96