Nordyne 632443R Pressure Switch Automatic Reset Functionality: Eliminates manual

Automatic Reset Functionality: Eliminates manual intervention by restoring circuit continuity once the plenum temperature stabilizes

this switch features a fixed 170°F trip point and a 130°F reset differential (40°F drop)

Most Reznor burner manifolds require a standard deep-well socket or nut driver for removal and installation of the orifice plug

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

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

Nordyne 632443R Pressure Switch Automatic Reset Functionality: Eliminates manualThe 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