Versatile Compatibility: Mounts directly to standard round or square shafts

ensuring a perfect shaft fit and pitch

this component ensures the thermal efficiency of the combustion system remains within factory specifications

Field-proven for integration with building automation systems

Factory Balanced Assembly: Pre-assembled blower wheel and motor reduce installation time and prevent impeller imbalance

Lennox 12M92 Pressure Switch THPU32HP7Y Versatile Compatibility: Mounts directly toThe Lennox 12M92 Pressure Switch is a critical genuine OEM furnace safety component designed for specific Lennox gas furnaces and heating units. This combustion air pressure switch is factory calibrated to activate at 0. 70" WC (inches water column), ensuring the inducer motor is generating sufficient draft before the ignition sequence begins. As a furnace pressure switch replacement, the 12M92 monitors for venting obstructions or mechanical failures