Ascent X Series Parts

The Napoleon Ascent™ X Series Gas Fireplaces transform an everyday room into a gathering space worthy of company and life's most enjoyable moments. Featuring premium log sets for a traditional look, the Ascent™ X Series offers you a wide range of heat output options and control. The large viewing area and clean lines provide an unobstructed view of realistic flames. Relax and have complete control of your fire on your favorite smart device with our eFIRE app.

We carry all available Napoleon Ascent™ X Series gas stove parts. We have blowers, gas valves, electronic ignitions, 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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  • Napoleon Thermopile (W680-0004) Napoleon Thermopile (W680-0004)

    Napoleon Thermopile (W680-0004)

    Replacement thermopile for Napoleon gas stoves and fireplaces. Fits the following models: Napoleon Gas Stoves: B30 Ascent  B35 Ascent  B36 Ascent  B42 Ascent  B46...
    $51.00
  • OEM SIT Gas Valve - NG (0820652) OEM SIT Gas Valve - NG (0820652)

    OEM SIT Gas Valve - NG (0820652)

    Replacement natural gas (NG) SIT valve for Enviro, HHT, IHP, Hearthstone, Kozy, Kingsman, Napoleon, and Osburn gas fireplaces, stove and inserts. Specs:Pilot outlet - 7/16 24 UNSThermocouple connection -11/32 ASA Manual Hi-Low Regulator 33%...
    $174.38
  • Napoleon SIT Complete Pilot Assembly - LP (W010-0799)
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    Napoleon SIT Complete Pilot Assembly - LP (W010-0799)

    Replacement propane (LP) SIT complete pilot assembly for Napoleon gas stoves. Fits the following models: NOTES: This complete assembly includes the thermopile, thermocouple, electrode, wire, and pilot tube. Please verify that you have an SIT pilot...
    $116.00
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  • Napoleon Glowing Embers (W361-0016)

    Napoleon Glowing Embers (W361-0016)

    Replacement glowing embers for Napoleon Gas Stoves. Fits the following models: Napoleon Gas Stoves: AX36 AX42 B30 Ascent B35 Ascent B36 Ascent B42 Ascent B46 Ascent B36DF BGD33 BGD36 BGD36CF...
    $8.00
  • Napoleon SIT Pilot Tube with Fittings (W720-0062)
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    Napoleon SIT Pilot Tube with Fittings (W720-0062)

    Replacement SIT pilot tube with fittings for Napoleon gas stoves and log sets. Fits the following models: NOTE: Please verify that you have an SIT Pilot Assembly (not a PSE Pilot Assembly) before ordering this part. It may not be compatible...
    $12.00
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  • Napoleon Piezo Ignitor (W357-0001) Napoleon Piezo Ignitor (W357-0001)
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    Napoleon Piezo Ignitor (W357-0001)

    Replacement piezo igniter for Napoleon Gas fireplaces. Fits the following models:Napoleon Gas Fireplaces: B30 Ascent 30 B35 Ascent 35 B36 Ascent 36 B42 Ascent 42 B46 Ascent 46 B36DF BGD33 BGD34 BGD36 BGD36CF Grandville BGD38 (SIT NOVA...
    $8.00
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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.