Lennox 74W26 Gas Valve 30067439-890 This part is the primary

This part is the primary replacement pilot for Utica MGC and Dunkirk XEB series naturally aspirated

Versatile Range Selection: Field-selectable slides for 30A

High Pressure Rating: Handles up to 600 psi body pressure and 200 psi close-off pressure for system integrity

It acts as a lockout mechanism to manage the transition between the primary heat pump and auxiliary electric or gas heat based on outdoor ambient temperature

maintaining the structural integrity of the heat exchanger

Lennox 74W26 Gas Valve 30067439-890 This part is the primaryAs a direct replacement for 93M81, 93M8101, and VR8205S2346, the Lennox 74W26 is a robust, single stage 24V gas valve engineered for precision in direct ignition systems. This Honeywell VR8215S1230 series valve features 1 2 inch NPT inlet and outlet ports and is factory calibrated for natural gas at a standard 3. 5" W. C. manifold pressure. For technicians handling Lennox HVAC 74W26 installation, the integrated 1 4" hose barb provides a reliable