it is highly recommended that a licensed HVACR professional performs the rebuild to ensure pressure testing and safety compliance

Precise pressure switch adjustment is facilitated by front-mounted scales

making it suitable for standard domestic and high-voltage international Wilbur Curtis configurations

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

Technicians should look for crumbling refractory material

Lennox 41K35 Valve Els PW 29614 it is highly recommended thatThe 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