Lennox 57W79 Pressure Switch and electrical specifications match the

and electrical specifications match the manufacturer's requirements

the 45L14 is a standard component for many Lennox LGH and LGC series rooftop units where LP conversion or maintenance is required

Will this fit a 3/16 inch or 1/4 inch shaft

This link is specifically rated for the FD-1300 dynamic damper

The GKT1533 is compatible with a wide range of Trane condensing units and chillers that utilize 1-inch Rotolock valves

Lennox 57W79 Pressure Switch and electrical specifications match theThe Lennox 57W79 Pressure Switch is a critical OEM safety component engineered for precise inducer draft monitoring in Lennox gas furnaces. Calibrated to a 0. 70" WC activation setpoint, this green pressure switch ensures the combustion blower is establishing sufficient static pressure before allowing the ignition sequence to proceed. As a direct furnace pressure switch replacement, it resolves common fault codes related to airflow verification and