Pilot Assembly – HHT 4021-736 | NG | 24" Tubing | OEM Replacement for 485-510A | Fits Quadra-Fire, Heatilator & Heat N Glo

Pilot Assembly – HHT 4021-736 | NG | 24" Tubing | OEM Replacement for 485-510A | Fits Quadra-Fire, Heatilator & Heat N Glo

Get reliable ignition and long-lasting performance with the HHT 4021-736 Natural Gas Pilot Assembly. This complete OEM pilot assembly includes all essential components to ensure safe and consistent startup of your gas fireplace or stove. Designed for compatibility with a wide range of Quadra-Fire, Heatilator, and Heat N Glo units.

🔧 Key Features:

✅ Complete Pilot Assembly – Includes thermocouple, thermopile, spark igniter, pilot tubing
✅ OEM Quality – Replaces part # 485-510A with genuine Hearth & Home Technologies components
✅ 24" Tubing Length – Easy installation in a wide variety of direct vent and insert models
✅ Reliable Ignition – Designed for durability and consistent ignition with IntelliFire systems

📏 Specifications:

• Model: 4021-736

• Replaces: 485-510A

• Fuel Type: Natural Gas

• Tubing Length: 24"

• Components Included: Thermocouple, thermopile, sparker electrode, pilot tubing

• Manufacturer: Hearth & Home Technologies (HHT)

• UPC: 652174752591

🔥 Compatible Brands:

• Quadra-Fire

• Heat N Glo

• Heatilator

🔁 Replaces Part Numbers:

• 4021-736

• 485-510A

🔍 Compatible Models Include (but not limited to):

Quadra-Fire: QV32, QV32-A, QV36, QV36-A, QV36D, QV36D-A, QV36DB, QV36DB-A, QVI-30FB, QV-Pier, QV-ST
Heat N Glo: 6000 Series (6000BE, 6000CAMP, 6000SEB, etc.), 7000 Series, 8000 Series, Everest, BAY-INSERT, ST-42TVFL, and many more
Heatilator: ADI60S, ADVR3428, ADVT3428, NDV3630, NDV4236, NDI35-SP, SL-550BE, SL-750TR, ST-CFL-24NG-B, and others

📌 Always confirm size and compatibility by checking your owner's manual or comparing the existing part number.