Natural Gas Fireplace Pilot Assembly With Thermopile

Natural gas fireplace pilot assembly restores reliable ignition and steady flame sensing to help keep your gas appliance running safely and consistently. Built to OEM-fit replacement standards, this ignition kit includes a pilot tube, igniter wire, and thermopile with heat-resistant wiring and a sturdy mounting bracket for stable performance. Designed for quick swaps when your pilot won’t stay lit or ignition becomes intermittent.

• Replaces OEM parts 446-512A, HSRV 446-512A, SRV 446-512A to renew ignition performance


• Includes 24 in pilot tube + 24 in igniter wire + 20 in thermopile for a complete pilot assembly refresh


• Delivers flame monitoring via sensitive thermopile that helps shut off gas if the flame goes out


• Fits many mainstream natural gas fireplaces plus select water heaters and kitchen stoves (verify part match)


• Installs fast with standard tubing diameters and wiring; replace old parts, then check for leaks after

When your fireplace struggles to ignite or the pilot keeps extinguishing, replacing the pilot ignition assembly is often the quickest way to restore dependable operation. This corrosion-resistant, heat-ready assembly is made for straightforward, OEM-style replacement and stable heating. For best results, match your original part number and compare measurements before ordering. Shut off the gas supply prior to installation and test connections thoroughly afterward. Grab yours today and get your appliance back to consistent starts and steady performance.

• Fuel type: Natural gas


• Color: Silver


• Compatible OE part numbers: 446-512A; HSRV 446-512A; SRV 446-512A


• Pilot tube length: 24 in


• Igniter wire length: 24 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)


• Warranty: 1 year