Lennox 94C89 Gas Valve R-410A the Williams P179900 should be

the Williams P179900 should be replaced to ensure the gas flow and air-mixing ratio remain within a safe range

this is the current manufacturer-designated replacement for both the 0151R00079S and 0151R00032 models

and "W" are for liquids below 212°F

the Trane CTR1494 provides the mechanical durability and electrical precision required for heavy-duty HVACR environments

or visible corrosion on the tube body

Lennox 94C89 Gas Valve R-410A the Williams P179900 should beThe Lennox 94C89 Gas Valve is a technical grade 24V dual standing pilot gas valve designed for precision regulation in high demand natural gas systems. As a veteran preferred component, this direct OEM replacement ensures your furnace or boiler maintains a consistent 3. 5" WC manifold pressure for optimal combustion efficiency. This unit serves as a critical furnace gas valve assembly featuring a 1 2" NPT inlet and outlet with a step opening