Nordyne 632491R Pressure Switch As a safety-critical auxiliary limit

As a safety-critical auxiliary limit switch

With a mechanical life rating of 10 million cycles and an integrated LED status indicator

Optimized Coil Performance: Actively prevents ice accumulation on the evaporator coil

Industrial Build Quality: Constructed with materials designed to withstand the rapid thermal expansion and contraction cycles of residential and light commercial heat exchangers

By maintaining even spacing between fins

Nordyne 632491R Pressure Switch As a safety-critical auxiliary limitThe Nordyne 632491R Pressure Switch is an essential OEM safety component engineered for precise inducer motor monitoring in specific Nordyne, Miller, and Intertherm furnace assemblies. This SPST pressure switch is factory calibrated to a 1. 50" WC (Water Column) set point, ensuring the combustion process only initiates when proper static pressure and venting conditions are met. Designed with a standard 1 4" barb connection, it provides a secure seal