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Comprehensive Testing Suite: Includes functions for DC microamps
provided the conduit is properly sealed
the unit features a 36-inch capillary and a 1/4" x 5-5/8" nickel-plated sensing bulb
This switch replaces several legacy parts
Nordyne 632566 Pressure Switch 321702-401 Comprehensive Testing Suite: Includes functionsThe 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
