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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
Robust Build Quality: Utilizes a stainless steel diaphragm with knife-edge-to-metal joints for a leak-proof
Verification of the port size on the valve body casting is recommended before installation
For technicians performing blower motor replacements
this model is powered by two AAA batteries
Nordyne 632547R Pressure Switch 321894-709 Robust Build Quality: Utilizes aThe Nordyne 632547R Pressure Switch is a critical OEM furnace safety control engineered to monitor proper inducer motor draft and venting conditions in high efficiency heating systems. This SPST (Single Pole, Single Throw) switch is factory calibrated to a precise 0. 90" WC (Water Column) set point, ensuring the combustion process only initiates when safe airflow thresholds are met. As a genuine Nordyne replacement part, it eliminates the calibration