Rugged Construction: Rated for continuous air-over cooling and built with a 48Y frame for high durability in demanding furnace environments

As the verified direct replacement for the legacy Lennox 28G1201 (also indexed under 28G12 and 58H3101)

Universal Gas Compatibility: Engineered for seamless operation with natural gas or propane (LP) heating equipment

Technicians should look for crumbling refractory material

Whether you are retrofitting an older boiler or installing a new manifold

Lennox 41K35 Valve Els PW 29614 Rugged Construction: Rated for continuousThe Lennox 41K35 Valve is a professional grade 24V natural gas valve designed for precision fuel regulation in residential and commercial heating systems. This slow open gas valve features a 1 2" I. P. inlet and outlet, engineered to provide a controlled ramp up of gas flow that prevents hard ignitions and reduces stress on the heat exchanger. As a critical HVAC replacement part, the 41K35 is the direct factory authorized replacement for legacy models