this genuine Lochinvar part maintains the necessary sealing for both standard and high-altitude venturi assemblies

technicians should utilize a vent protector to prevent moisture

adjustable via a screwdriver slot range adjuster for enhanced security against unauthorized tampering

Direct OEM Compatibility: Engineered specifically to replace the Lennox 97M50 without requiring bracket modifications or shaft adjustments

Lennox 13H33 Gas Valve 30067439-890 this genuine Lochinvar part maintainsThe Lennox 13H33 Gas Valve is a critical OEM replacement part designed for high performance HVAC natural gas regulation in residential and light commercial equipment. This single stage gas valve features a standard 1 2" NPT inlet outlet, ensuring a direct mechanical fit for a broad range of Lennox, Armstrong, and Ducane furnaces. Specifically engineered for electronic ignition systems, the 13H3301 valve operates on 24 VAC control voltage and comes