[Lifetime Warranty] 025-37499-000 Gas Furnace Flame Sensor

025-37499-000 Gas Furnace Flame Sensor Key Features Monitors burner flame for safe furnace operation Direct-fit replacement for original equipment specifications Durable construction for long service life Dimensions: 3.35 in x 0.8 in Voltage: 115V Replaces / Cross-Reference Part Numbers 025-37499-000 02537499000 S1-025-37499-000 S1-02537499000 Compatibility & Fitment Designed for use in specific gas furnaces manufactured by: York Luxaire Coleman When to Replace Furnace starts but the burner shuts off after a few seconds Heating system short-cycles without reaching the set temperature Visible carbon buildup or corrosion on the existing sensor rod Furnace control board displays a diagnostic error code for flame failure Installation Tips Disconnect all electrical power to the furnace before beginning installation. Locate the existing flame sensor, typically mounted near the burner assembly. Handle the new sensor by its base; avoid touching the metal rod to prevent contamination. Ensure the sensor rod is properly positioned in the flame path for correct operation. After installation, restore power and verify the furnace completes a full heating cycle.