Lennox 61854 Burner Assembly Els PW 17895 The York S1-025-35354-000 Flame Sensor

The York S1-025-35354-000 Flame Sensor is a critical safety component designed for precise flame rectified signal monitoring in high-efficiency gas furnaces

confirming that the inducer motor is exhausting flue gases effectively before allowing the gas valve to energize

and common allergens

and high-pressure R-410A applications

Always cross-reference the rebuild kit number stamped on your valve’s nameplate

Lennox 61854 Burner Assembly Els PW 17895 The York S1-025-35354-000 Flame SensorThe Lennox 61854 is a critical OEM replacement pilot burner assembly engineered for high performance gas fired furnace systems. This natural gas pilot assembly features a precision drilled . 017 orifice, ensuring calibrated gas flow for reliable ignition cycles and stable flame rectification. Designed as a direct drop in for several legacy and modern units, including Lennox G11 and G12 series furnaces, this component is the industry standard for