S20 Parts

We offer the full line of replacement parts for Enviro S20 Gas Fireplace. Not all parts are on the website, so 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.

This model was released using two systems, Intermittent Pilot Ignition (IPI) and Nova - millivolt. Please confirm which system your unit uses before purchasing parts. 

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  • Enviro Battery Holder - 4 x AA (50-3027) Enviro Battery Holder - 4 x AA (50-3027)
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    Enviro Battery Holder - 4 x AA (50-3027)

    Replacement battery holder for Enviro gas stoves. Fits the following models: NOTE: This part holds qty 4 AA batteries. Enviro Gas Stoves: Berkeley E20 E25 EX32 EX35 Q1 Q2 Q3 S20 S30 S40 U37 U44 U44 Arch Westley Westport Westport...
    $70.00
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  • Enviro IPI Conversion Kit - NG (50-2994) Enviro IPI Conversion Kit - NG (50-2994)
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    Enviro IPI Conversion Kit - NG (50-2994)

    Replacement propane (LP) to natural gas (NG) conversion kit for Enviro gas stoves. Fits the following models: NOTE: This is conversion kit is for IPI units. Enviro Gas Stoves: Q1 S20 S30 Enviro part # 50-2994 OEM part May fit...
    $216.00
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  • Enviro AUX300 Module (50-4155) Enviro AUX300 Module (50-4155)

    Enviro AUX300 Module (50-4155)

    Replacement AUX300 module for Enviro gas stoves. Fits the following models: Enviro Gas Stoves: Berkeley C34 C44 C60 C72 E20 E25 E30 E33 E44 G39 G42 Q2 Q3 S20 S40 Westley Westport Enviro part # 50-4155 OEM Enviro part May fit...
    $162.00
  • Enviro Dexen Battery Holder (50-4156) Enviro Dexen Battery Holder (50-4156)
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    Enviro Dexen Battery Holder (50-4156)

    Replacement Dexen battery holder for Enviro gas stoves. Fits the following models: Enviro Gas Stoves: Berkeley C34 C44 C60 C70 E20 E25 E30 E33 E44 G39 G42 G50 Q2 Q3 S20 S40 Westley Westport Enviro part # 50-4156OEM Enviro...
    $37.00
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  • Enviro Door Glass with Gasket (50-2998) Enviro Door Glass with Gasket (50-2998)
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    Enviro Door Glass with Gasket (50-2998)

    Replacement door glass with gasket for Enviro gas fireplaces. This glass measures 19.75" X 17.5". Fits the following models: Enviro Gas Fireplaces: Q1 S20 S30 Enviro part # 50-2998OEM Enviro part May fit other models. Please check your...
    $373.00
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  • Enviro Door Latch Kit (50-1285) Enviro Door Latch Kit (50-1285)

    Enviro Door Latch Kit (50-1285)

    Replacement door latch kit with spring, bracket, and screws (set of 2) for Enviro gas stoves. Fits the following models: Enviro Gas Stoves: Berkeley Berkeley IPI Haven Q1 Retreat S20 S30 S40 Westley Enviro part # 50-1285OEM Enviro...
    $124.00

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.