GB20 Parts

We carry all available Napoleon GB20 Gas Fireplace parts. We have blowers, gas valves, thermocouples, thermopiles, glass, gasketing and much more. If you need help locating a part please call, e-mail or fill out our Parts Request Form and we will be happy to assist you.

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  • OEM SIT Thermopile (0940002)
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    OEM SIT Thermopile (0940002)

    Replacement SIT thermopile for Kingsman, Kozy, Majestic, Marquis, Pacific Energy, Travis Industries, and Napoleon gas fireplaces. Fits the following models: Kingsman Gas...
    $47.48
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  • Napoleon SIT Pilot Assembly - LP (W010-0791) Napoleon SIT Pilot Assembly - LP (W010-0791)
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    Napoleon SIT Pilot Assembly - LP (W010-0791)

    Replacement propane (LP) SIT pilot assembly for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: BGNV36 GB20 GD16 GD17 GD22 GD25 GD27 GD40 GD45 GS3500 Napoleon part # W010-0791Comparable aftermarket...
    $125.00
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  • OEM SIT Pilot Assembly - NG (0199702)
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    OEM SIT Pilot Assembly - NG (0199702)

    Replacement natural gas (NG) SIT pilot assembly for IHP, Kozy, Majestic, Monessen, Montigo, Napoleon and Regency gas logs, stoves, fireplaces and inserts. Fits the following models: Compatible with some models of the following brands: Comfort Glow ...
    $95.04
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  • Napoleon Logo (W385-2010)
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    Napoleon Logo (W385-2010)

    Replacement logo for Napoleon pellet, wood and gas Stoves. Fits the following models:Napoleon Pellet Stoves: NPI45 ECO NPS45 ECO Napoleon Wood Stoves: 1100 EPA Huntsville (Pedestal) 1100C EPA Banff 1100PL EPA Huntsville (Leg) 1101 EPA...
    $9.00
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  • Napoleon SIT Pilot Assembly - NG (W010-0794) Napoleon SIT Pilot Assembly - NG (W010-0794)
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    Napoleon SIT Pilot Assembly - NG (W010-0794)

    Replacement natural gas (NG) SIT pilot assembly for Napoleon gas stoves. Fits the following models: Notes: This part is just the pilot bracket and pilot hood. If you need the full assembly, you will need to order the thermocouple, thermopile, and...
    $86.00
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  • Napoleon Pilot Orifice - LP (W455-0024) Napoleon Pilot Orifice - LP (W455-0024)
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    Napoleon Pilot Orifice - LP (W455-0024)

    Replacement propane (LP) pilot orifice for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: GB20 - Pre Serial # 852 GD16 GD17 GD22 - with quick acting thermocouple GD25 - with quick acting thermocouple GD27 GD33 - SIT GD40...
    $15.00
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  • Napoleon Pilot Orifice - NG (W455-0023) Napoleon Pilot Orifice - NG (W455-0023)
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    Napoleon Pilot Orifice - NG (W455-0023)

    Replacement natural gas (NG) pilot orifice for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: GB20 - Pre Serial # 852 GD16 GD17 GD22 - with quick acting thermocouple GD25 - with quick acting thermocouple GD27 GD33 -...
    $16.00
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  • Napoleon Burner Orifice - NG (W456-0047)
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    Napoleon Burner Orifice - NG (W456-0047)

    Replacement natural gas (NG) burner orifice for Napoleon gas stoves. Fits the following models: Napoleon Gas Stoves: B36 BGD36 BL36 Linear BGNV36 GB20 GD16 GD17 GD70 GX36-1 Ascent X WHD31 Napoleon part # W456-0047 OEM Napoleon part May...
    $22.00
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Why Buy Parts from Mountain View Hearth Products?

We’re the world’s largest source for stove, fireplace, grill, and appliance repair parts. Whether you’re fixing a decades-old wood stove or replacing a worn-out control board on a high-end grill, we make it easy to get the right part — fast.

We stock both original manufacturer parts and high-quality alternatives — so you get the same great fit and performance, often with more affordable options to choose from.

Most sellers only carry the basics like blowers and igniters. We go deeper — with brackets, trim, switches, control panels, gaskets, screws, and more. If your unit has it, chances are, we carry it.