Model 20 Parts

Buck Stove Model 20 delivers impressive heat in a small package transforming your pre-fab or masonry fireplace into a 37,500 BTU efficient catalytic heater with a heating range up to 1800 square feet. The Model 20 can also be used as a freestanding unit with optional Queen Anne black cast or 24K gold plated legs.

We offer the full line of OEM replacement parts currently available for Buck Model 20 wood stoves. 

We may have some discontinued parts still in stock, as well as aftermarket options. If you cannot find the part you are looking for please call, e-mail or fill out our Parts Request Form and we will be happy to assist you

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  • Buck Catalytic Combustor (ACI-20C) Buck Catalytic Combustor (ACI-20C)
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    Buck Catalytic Combustor (ACI-20C)

    Replacement 25-cell canned catalytic combustor for Buck wood stoves. This part measures 3.875" W x 6.875" L x 2" thick. Fits the following models: Buck Wood Stoves: Old 17 Old 20 New 20 20 ZC 41 50 70 Buck part # ACI-20C Replaces old part...
    $165.00
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  • Buck 7" Catalyst Thermometer Probe (PO-65PRB) Buck 7" Catalyst Thermometer Probe (PO-65PRB)
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    Buck 7" Catalyst Thermometer Probe (PO-65PRB)

    Replacement 7" catalyst thermometer probe for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 20 Model 41 Model 50 Model 70 Model 71 Model 80 Model 91 Buck part # PO-65PRBOEM Buck part May fit other models, please...
    $44.50
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  • Buck Spring Door Handle - Black (PO-100150B)
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    Buck Spring Door Handle - Black (PO-100150B)

    Replacement black spring door handle for Buck wood stoves. Fits the following models: Buck Wood Stoves: Carolina I Carolina II Model 18 Model 20 Model 21 Model FS21 Model 24 Model 26 Model 51 Model 74 Model 80 Model 81 Model...
    $12.00
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  • Condar CatGard Combustor Gasket - 31" (1P350)
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    Condar CatGard Combustor Gasket - 31" (1P350)

    Replacement CatGard ™ combustor gasketing. Also, referred to as interam wrap by Condar. This piece of gasket is 1.93" wide and 31" long. Please check your owner's manual for compatibility. When removing your combustor for annual inspection,...
    $10.00
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  • Buck Catalyst Housing Gasket (PO-200500) Buck Catalyst Housing Gasket (PO-200500)
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    Buck Catalyst Housing Gasket (PO-200500)

    Replacement catalytic combustor housing gasket for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 20 Model 41 Model 50 Model 70 Model 71 Buck part # PO-200500OEM Buck part May fit other models, please check your...
    $10.00
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  • Buck Auto-Off-Manual Switch (PE-RC211RB) Buck Auto-Off-Manual Switch (PE-RC211RB)
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    Buck Auto-Off-Manual Switch (PE-RC211RB)

    Replacement auto-off-manual switch for Buck wood stoves and gas stoves and log sets. Fits the following models: Buck Wood Stoves: Model 20 Model 21 Model 26 Model 74 Model 80 Model 81 Model 85 Model 91 Model 94 Model 261 Buck Gas...
    $12.00
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  • Buck & Brunco Power Cord (PE-400240)
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    Buck & Brunco Power Cord (PE-400240)

    Replacement 8' power cord for Buck wood stoves and Brunco wood furnaces. Fits the following models: Buck Wood Stoves: All models Brunco Wood Furnaces: All models Buck part # PE-400240OEM Buck part  May fit other models, please...
    $16.00
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  • Buck Ash Dump - Pre 1998 (PC-BC467) Buck Ash Dump - Pre 1998 (PC-BC467)
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    Buck Ash Dump - Pre 1998 (PC-BC467)

    Replacement ash dump for Buck wood stoves. This part measures 9-1/2" long x 5-7/16" wide x 15-16" deep. Fits the following models: NOTE: Ash dump lid cannot be repaired in field for units made after 1998 Buck Wood Stoves: Model 20 - before...
    $47.00
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  • Condar CatGard Combustor Gasket - 17-3/4" (1P427)
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    Condar CatGard Combustor Gasket - 17-3/4" (1P427)

    Replacement CatGard ™ combustor gasketing. Also, referred to as interam wrap by Condar. This piece of gasket is 3" wide and 17.75" long. Please check your owner's manual for compatibility. When removing your combustor for annual inspection,...
    $11.00
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  • Buck Catalyst Mixing Wire (PO-410455)
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    Buck Catalyst Mixing Wire (PO-410455)

    Replacement catalyst mixing wire for Buck wood stoves. Fits the following models: Buck Wood Stoves: Model 20 Model 41 Model 50 Model 70 Model 71 Buck part # PO-410455OEM Buck part May fit other models, please check your owner's manual...
    $12.00
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  • Buck 6" Cast Collar (MA-6CHIMCNB) Buck 6" Cast Collar (MA-6CHIMCNB)
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    Buck 6" Cast Collar (MA-6CHIMCNB)

    Replacement 6" cast iron collar for Buck wood stoves. Fits the following models: Buck Wood Stoves: 18 20 81 85 Buck part # MA-6CHIMCNBOEM Buck part May fit other models, please check your owner's manual for part number compatibility.
    $94.00
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  • Buck Catalyst Housing (PC-H4150) Buck Catalyst Housing (PC-H4150)
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    Buck Catalyst Housing (PC-H4150)

    Replacement catalyst housing for Buck wood stoves. Fits the following models: NOTE: This part does not include any hardware, you should re-use your existing hardware. You may also need to replace the combustor housing gasket, located HERE Buck...
    $81.00
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Why Choose Us for Your Stove Parts?

We stock both OEM and aftermarket parts to give you the best of both worlds — quality where it matters and savings where it counts.

Most competitors only carry popular aftermarket parts like blowers and igniters. We go beyond that — offering full system support, including air tubes, baffle panels, trim pieces, fasteners, and other hard-to-find components. Whether you're repairing a minor issue or rebuilding your stove from the ground up, we've got every part — not just the easy ones.