Lennox 15P85 Pressure Switch 319848-301 Enhanced Contaminant Removal: Standard 40-micron

Enhanced Contaminant Removal: Standard 40-micron filtration prevents debris from damaging downstream valves and seals

Are there specific units for this industrial HVAC cooling fan

Technicians should check for a "Pressure Switch Open" fault code on the furnace control board

technicians rely on this part for its rapid response time and exact fit in standard fuse blocks

this split-phase motor features a Clockwise (CW) rotation

Lennox 15P85 Pressure Switch 319848-301 Enhanced Contaminant Removal: Standard 40-micronThe Lennox 15P85 Pressure Switch is a critical safety component designed for precise combustion air pressure monitoring in HVAC systems. Specifically calibrated with a 0. 55" WC set point (Water Column), this OEM replacement part (also identified by part number 105078 01 and 101859 07) ensures that the inducer motor is generating sufficient draft before allowing the ignition sequence to proceed. Engineered for reliability in Lennox gas furnaces, this