Common Questions: What are the open and close temperatures

contractors should apply 6-8 ft-lb of torque to the V-bolt nuts to ensure a secure lock

cause pressure switch failures

In heavy-duty HVAC applications

Professional Finish: Durable white plastic construction matches modern thermostat housing for a cohesive look on the job site

Nordyne 632443R Pressure Switch Common Questions: What are theThe Nordyne 632443R is a critical OEM replacement pressure switch designed for induced draft furnaces. Engineered to monitor the differential pressure between the draft inducer motor and the flue, this SPST (Single Pole Single Throw) switch is factory calibrated to a precise 0. 85" WC (Water Column) trip point. It features a 1 4" barbed connection for standard pneumatic tubing and two terminal electrical contacts for direct furnace control board