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Use a multimeter to check for 120V at the primary leads
Frequent tripping usually indicates poor combustion air
maintaining a consistent internal diameter for precise pressure signal transmission
Common Questions Is the Q4100C9048 compatible with propane furnaces
This is an automatic reset switch
Nordyne 632493R Pressure Switch Use a multimeter to checkAs a veteran HVACR technician, you know that safety and induction monitoring are non negotiable. The Nordyne 632493R Pressure Switch is the definitive OEM replacement for the older 632493 model, engineered specifically for Nordyne, Intertherm, and Miller gas furnaces. This 0. 60" WC SPST (Single Pole Single Throw) switch is a normally open safety component that confirms the inducer motor is pulling the correct vacuum before allowing the ignition