Lennox 89M57 Gas Valve Refrigerant technicians favor this part for

technicians favor this part for its direct-fit compatibility and robust terminal construction

Precision Pressure Control: The 0-60 PSI range is specifically tuned for applications requiring lower setpoints with high accuracy

Universal Length: The 8-foot wiring harness provides ample slack for flexible mounting configurations on vertical or horizontal flues

Steam-Rated Durability: Specifically engineered for low-pressure steam applications up to 15 PSI (250°F media temperature)

and using a non-compliant part can lead to frequent nuisance TRIPS or unsafe operation

Lennox 89M57 Gas Valve Refrigerant technicians favor this part forThe Lennox 89M57 is a critical OEM replacement gas valve designed for single stage heating legacy systems. This 24V gas valve is factory configured for natural gas with a 3. 5" WC manifold pressure setting, though it often includes a propane conversion kit for versatile field application. Engineered for precision, the unit features a 1 2" NPT inlet and outlet, ensuring a direct fit for standard gas manifold assemblies. As a veteran grade HVAC