Nordyne 632432R Pressure Switch the SP10550B is the official

the SP10550B is the official direct replacement for the AP10550B-6

Resolves furnace flame sensor cleaning failures when the probe is oxidized beyond field restoration

this pilot burner assembly includes the thermopile

Calibration is typically handled through your KMC digital controller software (such as BACstage or WinControl) by selecting the KMC10K Type II sensor table

Built to handle 480/277/240/208Vac primary voltage inputs

Nordyne 632432R Pressure Switch the SP10550B is the officialThe Nordyne 632432R Pressure Switch is an essential safety component engineered for negative pressure detection in specialized HVAC systems. This genuine OEM furnace part is calibrated to close at a setpoint of 0. 70" WC (Water Column), ensuring the draft inducer blower is generating sufficient vacuum before the ignition sequence begins. Designed as a normally open SPST switch, it acts as a critical interlock to prevent combustion if venting is