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By installing this genuine HVAC integrated control board
Industrial Build Quality: Constructed to OEM equipment specifications for consistent bimetal plate response and electrical continuity
This Watts diaphragm 1020107 is optimized for industrial and commercial control valve maintenance
This switch replaces several legacy parts
Nordyne 632566 Pressure Switch 321702-401 By installing this genuine HVACThe Nordyne 632566 Pressure Switch is a critical safety component designed for specific gas fired furnaces and packaged units. As the direct replacement for 632566R, this differential pressure switch monitors the pressure drop across the heat exchanger, ensuring the induced draft motor is evacuating flue gases effectively before allowing the ignition sequence to proceed. This single pole, normally open switch is calibrated to precise OEM
