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The genuine OEM Lennox 48P56 is a 24-volt dual standing pilot gas valve that controls gas delivery to both the standing pilot and the main burners in your Lennox heating equipment. Operating on a 24V control signal and a continuously lit pilot, it provides dependable, proven ignition and safely shuts off gas flow if the pilot flame is lost, protecting against unburned gas.
Symptoms of a failing standing pilot gas valve include a pilot that won't stay lit, main burners that fail to ignite even with a good pilot, no heat, intermittent operation, or gas odor indicating the valve isn't sealing. A valve that won't respond to the 24V thermostat signal is another common failure sign.
Gas valves are safety-critical, so the OEM Lennox 48P56 is the correct replacement. Its 24V coil, dual pilot design, safety shutoff, and fittings are matched to your Lennox system's specifications, ensuring safe combustion and reliable operation that aftermarket valves may not consistently provide while keeping your equipment within factory standards.