Lennox 10J73 Pressure Switch 320788-703 If your valve body is

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

such as a failing blower motor or a restricted return air filter

The AP13242 typically consists of the pilot tube and mounting bracket

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

Heavy-Duty Specifications: Powered by a 115V

Lennox 10J73 Pressure Switch 320788-703 If your valve body isThe 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