Lennox 10J73 Pressure Switch 320788-703 this component ensures reliable switching

this component ensures reliable switching of the compressor and fan motor circuits

High-Torque Performance: Delivers stable 460V 3-phase power for consistent motor performance across the entire frequency range

It features dedicated primary and secondary drain ports to ensure reliable moisture removal and protect the furnace or air handler cabinet from water damage

it provides the precise airflow required for optimal heat rejection across the condenser coils

If your valve body is intact but experiencing internal leaks or mechanical sticking

Lennox 10J73 Pressure Switch 320788-703 this component ensures reliable switchingThe 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