Nordyne 632493R Pressure Switch using the genuine Lennox 57W79

using the genuine Lennox 57W79 is recommended to maintain the specific safety tolerances and OEM furnace part specifications required for your specific model's combustion air requirements

facilitating easier HVAC circuit board repair troubleshoot

Direct OEM Compatibility: Engineered as a drop-in replacement for the S1-024-26099-000

Dramatic pressure drops across the line often indicate the element is saturated

including residential forced-air furnaces and commercial boilers

Nordyne 632493R Pressure Switch using the genuine Lennox 57W79As a veteran HVACR technician, you know that safety and induction monitoring are non negotiable. The Nordyne 632493R Pressure Switch is the definitive OEM replacement for the older 632493 model, engineered specifically for Nordyne, Intertherm, and Miller gas furnaces. This 0. 60" WC SPST (Single Pole Single Throw) switch is a normally open safety component that confirms the inducer motor is pulling the correct vacuum before allowing the ignition