Nordyne 632547R Pressure Switch 319848-301 Always reference the P72LA-1 wiring

Always reference the P72LA-1 wiring diagram located inside the cover for terminal designations

This 90-120F auto reset limit switch functions as a primary high-limit control

For heavy buildup

Adjustments can be made by removing the regulator cover screw and turning the internal adjustment screw clockwise to increase or counter-clockwise to decrease pressure

Key Benefits Universal Compatibility: Accepts voltage

Nordyne 632547R Pressure Switch 319848-301 Always reference the P72LA-1 wiringThe 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