Lennox 10J73 Pressure Switch 326058-757 Standard failure modes include the

Standard failure modes include the main burner failing to ignite despite a spark or hot surface igniter being active

this high-quality kit provides the industrial-grade durability and precise ignition timing necessary for optimal Armstrong and Concord heating equipment performance throughout the peak winter season

an overpressure protection device (OPD) model is required

always verify your specific model and serial number to ensure technical alignment with your existing wiring harness

Multi-Positional Installation: Can be mounted in various orientations

Lennox 10J73 Pressure Switch 326058-757 Standard failure modes include theThe Lennox 10J73 Pressure Switch (Catalog Number 10J73, Model 103827 01) is a critical safety component designed for furnace applications to ensure the inducer motor is moving combustion air effectively. As a single pole, normally open switch, it is calibrated to a fixed set point of 0. 25 PF (inches water column), making it a precise replacement for the combustion air prover in Lennox G21, G24, G27, G28, G30, and G37 series furnaces. This HVAC