Armstrong Furnace R46257-001 Defrost Board

The Armstrong Furnace R46257-001 Defrost Board is an essential part of Heat recovery ventilation systems, especially for heat pumps helping the HVAC systems run an efficient defrost cycle. It controls the temperature so that it can have a detail of when to defrost to avoid having ice build around the evaporator coils. It makes the system perform as required and be energy efficient when the heater is activated. The advantages of this board include increased heating performance in winter, saving energy, and increased comfort in homes by blocking cold air.