Nordyne 632443R Pressure Switch or if you receive a

or if you receive a specific "limit switch open" error code on the control board

Key Benefits System Protection: Effectively prevents evaporator coil freeze-ups by shutting down the compressor when low-limit temperatures are reached

The Nordyne 903600 Flame Sensor is a performance-critical safety component designed for precise flame rectification in gas-fired heating systems

It converts the linear motion of the pneumatic actuator into the specific stroke required to modulate the valve stem accurately

verify that the orifice is clear of oil and debris to maintain flow coefficients

Nordyne 632443R Pressure Switch or if you receive aThe 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