Fireplace Gas Pilot Assembly, Natural Gas, Thermocouple Kit

Natural gas fireplace pilot assembly restores reliable ignition and steady flame sensing to keep your appliance running safely and consistently. This replacement ignition assembly includes a pilot tube, thermocouple, thermopile, and pre-cut leads to simplify swaps on many common pilot setups. Built with heat-resistant wiring and a sturdy mounting bracket for stable positioning, it’s designed for dependable performance in fireplaces and other natural gas appliances where a standing pilot system is used.

• Includes pilot tube, thermocouple, thermopile, and igniter wire for a complete pilot ignition refresh


• Delivers flame-sensing support that helps shut off gas if the pilot goes out to reduce leakage risk


• Fits systems replacing part numbers 4021-732 and 25660; verify dimensions and connections before install


• Supports straightforward installation with standard tubing and lead lengths; swap old parts, then leak-test


• Handles heat with corrosion-resistant hardware and heat-resistant wiring for stable pilot operation

When a pilot won’t stay lit or ignition becomes inconsistent, replacing the full pilot ignition assembly can save troubleshooting time and restore stable starts. This natural gas pilot assembly is designed to match common OEM-style layouts with measured tube and wire lengths for cleaner routing and a secure mount. Always shut off the gas supply before service, confirm compatibility by part number and measurements, and test all connections after installation. Grab yours today to get your ignition system back to steady operation.

• Fuel type: Natural gas


• Color: Silver


• Product size: 6.30 x 4.72 x 1.57 in (160 x 120 x 40 mm)


• Net weight: 0.42 lb (0.19 kg)


• Included lengths: 24 in pilot tube; 24 in thermopile; 22 in igniter wire; 16 in thermocouple


• Replaces part numbers: 4021-732, 25660


• Warranty: 1 year