Lennox 50W74 Gas Valve 318973-401 if your unit uses a

if your unit uses a different blower kit

Failure to open usually indicates a fault in the actuator motor or a blockage in the damper blade

enhancing system accuracy

a sensor with a cracked ceramic insulator or deep pitting must be replaced to ensure the safety circuit remains intact and grounded properly

this 24V AC coil features a 6-watt rating

Lennox 50W74 Gas Valve 318973-401 if your unit uses aThe Lennox 50W74 is a direct replacement White Rodgers 36G24 463 natural gas valve designed for high efficiency Lennox gas furnaces. This single stage gas valve operates on a 24V redundant solenoid system, featuring a 1 2" NPT inlet outlet configuration for standard manifold alignment. Engineered for precision fuel regulation, it utilizes an intermittent pilot ignition or direct spark system depending on the furnace control board configuration. The