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The Armstrong Furnace R46257-001 Defrost Board is a critical replacement control module engineered for heat pump systems requiring precise defrost cycle termination and initiation
Easy Installation: Standard 1/2" NPT x 1/2" Inverted Flare connections and a 2" shank length match the footprint of existing residential controls
Heavy-Duty Construction: Built with a durable bi-metal sensing element designed to withstand the rigorous thermal cycling of commercial heating applications
Is the SWT1036 compatible with American Standard
Superior Radiant VE007 Pressure Switch 321042-401 The Armstrong Furnace R46257-001 DefrostThe Superior Radiant VE007 Pressure Switch is a critical safety component engineered for infrared tube heaters and high performance HVAC pneumatic systems. As a veteran grade differential air pressure switch, the VE007 is designed to verify proper blower operation and vent airflow before allowing the ignition sequence to commence. This OEM pressure switch features a rugged diaphragm and precise electrical contacts to ensure a reliable differential