Lennox 50W74 Gas Valve 328140-751 requiring a regulated 5V DC

requiring a regulated 5V DC supply for correct operation

meaning it does not feature a manual positive off position on the adjustment dial

Built with Internal Trim Package 1 and Buna body O-rings

you will likely require a full ignition conversion kit that includes the corresponding control module and wiring harness

which requires EPA certification and specialized HVAC tools

Lennox 50W74 Gas Valve 328140-751 requiring a regulated 5V DCThe 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