Reznor 193810 Switch Els PW 17895 Class F Insulation Rating: Designed

Class F Insulation Rating: Designed to withstand higher operating temperatures

this assembly eliminates the need to source individual Grade-5 fasteners

Direct OEM Compatibility: Engineered as a drop-in replacement for 28219

ensuring a robust seal and extending the service life of the existing valve body infrastructure without requiring a full system breakdown

making it an essential component for demanding commercial and industrial thermal sensing applications

Reznor 193810 Switch Els PW 17895 Class F Insulation Rating: DesignedThe Reznor 193810 is a heavy duty air proving switch pre mounted in a protective enclosure, engineered specifically for Reznor HVAC systems. Designed for reliability in demanding commercial and industrial environments, this differential pressure switch acts as a primary safety mechanism to verify proper combustion airflow before allowing the ignition sequence to proceed. It serves as a direct OEM replacement for legacy part numbers including Reznor