Natural Gas Fireplace Pilot Assembly, Thermocouple, Thermopile

Natural gas pilot assembly restores reliable fireplace ignition and steady flame sensing with a complete, OEM-style replacement kit. Built with an electrode, heat-resistant wiring, and a corrosion-resistant bracket, it’s designed to replace worn pilot components that cause hard starts, weak pilot flames, or nuisance shutdowns. Compatible with common OE part numbers and multiple heater and fireplace applications for a quick, parts-matching repair.

• Includes electrode, 33 in thermocouple, 20 in thermopile, tubing, and mounting bracket for a complete pilot/ignition refresh.


• Delivers stable pilot performance with premium tube routing, heat-resistant leads, and a sturdy, corrosion-resistant frame.


• Supports flame monitoring via thermocouple/thermopile to help stop gas flow when the pilot flame goes out.


• Fits replacements for OE 103779-01, PP231, NG8218 and works with multiple fireplace and heater setups.


• Simplifies installation with standard tubing diameters and wiring—swap the old assembly, then test connections for leaks.

When a pilot system ages, ignition becomes inconsistent and shutdowns become frequent. This natural gas ignition pilot assembly is built to OEM-style specs for straightforward replacement in compatible fireplaces and select gas appliances. Match the OE numbers and confirm your model fit before ordering, then install with gas shut off and verify all connections after setup. Stock a dependable replacement and keep your heating system running smoothly—grab yours today.

• Gas type: Natural gas


• Color: Silver


• Compatible OE part numbers: 103779-01, PP231, NG8218


• Thermocouple length: 33 in


• Thermopile length: 20 in


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


• Net weight: 0.29 lb (0.13 kg)