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With a 0-50 PSI operating pressure range
verify the hot surface igniter resistance (typically 70–100 ohms) and clean the flame sensor to ensure the board receives a proper microamp signal
For technicians performing maintenance on legacy systems
providing overheat protection that meets original equipment specifications for various York
Lennox 41K35 Valve Els PW 17895 With a 0-50 PSI operatingThe 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
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