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it is recommended to mount the valve with the coil in a vertical-up position
This OEM replacement pressure switch is a Single-Pole Double-Throw (SPDT) device
For high-tonnage commercial refrigeration and medium-temperature applications
Durable Construction: Manufactured from materials resistant to the corrosive byproducts of combustion found in hydronic heating systems
Designed for high-speed contact separation
Armstrong Furnace R40403-003 Control Board Els PW 17895 it is recommended to mountThe Armstrong Furnace R40403 003 is a direct OEM replacement blower control fan timer board, engineered to regulate the timing and sequence of the indoor blower motor in residential forced air systems. This furnace control board is the designated successor to the discontinued 40403 001 model, offering exact form fit function for 80% and 90%+ AFUE gas furnaces. As a solid state timer board, the R40403 003 manages internal safety logic and fan off
