Buck Stove 21 Wood Burning Fireplace Insert with Blower - FP 21 - Heats 1800 Sq Ft

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Buck Stove

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Model

21-INSERT

ID

104972

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  • Heats 1800 Square Feet
  • Heat Circulating Blower Included
  • Minimum Fireplace Dimensions: 23/14"W x 21"H x 15"D
  • Made In The USA
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Overview

The Buck Stove Model 21 is an efficient zone heating stove/insert that also has the capacity to heat smaller homes. It can be installed into an existing fireplace using a faceplate kit or used as a freestanding stove with one of the available leg kits. This unit delivers 41,200 BTUs and can effectively heat spaces ranging from 800 to 1,800 square feet. The Model 21 meets the standards approved by both Washington and Oregon states.

Features

  • BTU: 41,200
  • Included Items: Heat Activated Variable Speed Blower
  • Heating Capacity: 800 - 1,800 Sq. Feet
  • Minimum Fireplace Dimensions: 23 1/4" W x 21" H x 15" D
  • Stove Dimensions: 23 3/8"W x 20 1/4"H x 18 1/8"D
  • Vent Size and Location: 6" Diameter | Top
  • Firebox Capacity: 1.6 Cubic Feet
  • Log Size: 18"
  • Warranty: 5 Year
  • Certification: EPA | Warnock Hershey to UL1482

More About Wood Burning Appliances

Heating with wood offers a timeless and renewable source of warmth, creating an ambiance only watching a real fire can create. Whether you considering a Freestanding Wood StoveWood Fireplace Insert, a Built In EPA-Approved Heating Fireplace or an Open Burning Built In Fireplace, you will find today's modern appliances offer increased efficiency and safety features compared to older wood appliances. 

Available Types:

  • Freestanding Wood Stoves
  • Wood Fireplace Inserts
  • Open Burning Built In Wood Fireplaces
  • High-Efficiency Built In Wood Fireplaces

More About Fireplace Inserts

Fireplace Inserts are high-efficiency heating appliances designed to be installed into an existing fireplace opening. Fireplace Inserts offer a range of benefits, including: increased efficiency, higher heat output, are safer to operate, improve fireplace aesthetics and are often easier to operate. 

Available Types:

  • Wood Burning Fireplace Inserts
  • Gas Direct Vent Fireplace Inserts
  • Ventless Fireplace Inserts
  • Pellet Stove Inserts
  • Electric Fireplace Inserts

Note: Fireplace Inserts cannot be installed into a wood framed cavity.


 

Buck Stove

Combine classic craftsmanship with modern efficiency. Known for their durable construction and powerful heating performance, Buck Stove fireplaces offer a cozy ambiance and reliable warmth for any home. Available in wood and gas models, they deliver both style and substance—perfect for enhancing comfort while reducing energy costs.

More Information
Buck Stove 21 Wood Burning Fireplace Insert with Blower - FP 21 - Heats 1800 Sq Ft
FeatureSpec
SKU21-INSERT
Weight (in lbs)342.000000
Brand/ManufacturerBuck Stove
Replaces21-Insert-2
Included ItemsBlower
Heating BTU41,200
Approximate Heating Area800 - 1800 Square Feet
Maximum CFM85 CFMs (Included Blower)
Flue LocationTop
Flue Outlet6" Diameter
Efficiency70%
Electrical120V (Included Blower)
Amperage Requirement1.1 Amps (Included Blower)
MaterialSteel
TypeBrick & Stone Fireplace Insert, Mobile Home Approved, With Blower
Ignition TypeMatch Light
Fuel TypeWood
CertificationEPA & Warnock Hershey To UL1482
Size RangeUp To 29" Wide
Area Heated1500 - 1999 Sq. Ft
Fireplace StyleTraditional
Minimum Fireplace Dimensions23 1/4"W x 21"H x 15"D
Max Log Length18"
Height20 1/4"
Width23 3/8"
Depth18 1/8"
Warranty5 Year Limited
Resources You will need Adobe® Acrobat® Reader to view PDF documents.
Safety InformationPROPOSITION 65 WARNING
Top reviews
  1. Works great.
    Quality
    100%
    Service
    100%
    Price
    100%
    Stove works just fine. Wish I had bought sooner.

    Review by

    Posted on

  2. Really great little stove!
    Quality
    100%
    Service
    100%
    Price
    80%
    We purchased the model 21 to insert into a standard size fireplace that had gas logs in it. The gas logs did not give off enough heat, so the wife wanted a woodstove insert. Found the model 21 and she liked the price so we ordered it and the standard trim kit. Stove was delivered and we had it installed and realized that it’s a little bit undersized for our fireplace, but it works great! It will raise the temperature in here, 5° in no time flat. The blower kicks on automatically when a certain temperature is met and blows warm air into our room. The only issue we found was installing the face plate or trim kit. The trim kit fit perfectly into the opening around the stove, but the stove did not come with pre-drilled holes for the securing screws. They provided self tapping screws that could not possibly drill through that solid steel case on the stove. We broke several drill bits trying to drill holes in the sides and finally gave up. We were able to drill two holes in the top so we can secure the top of the face plate and just leaned the rest of it against the opening and use the top face plate to hold it all together. Seems to be working great. But if engineering or production could pre-drill those holes, that would be great. There’s just no way to adequately drill a hole through that thick steel at least not for me or the professional installer that we hired.

    Review by

    Posted on

  3. We love it
    Price
    100%
    Service
    100%
    Quality
    100%
    Thank you for the great woodstove. We love it. The efficiency increase over just burning in our fireplace is literally 3 to 1. The only complaint we have is packaging fire the metal covers that go on the fireplace around the stove. They are just in a flimsy cardboard box and doesn't have anything to prevent them from getting bent. As a result, we had to reject the first shipment and the second was also bent but not as bad.

    Review by

    Posted on

  4. Very pleased
    Price
    100%
    Service
    100%
    Quality
    100%
    Got everything just fine got it installed two weeks ago

    Very pleased just in time for the chilly weather coming

    Thanks for all your help

    Review by

    Posted on

  5. Exactly what I had hoped it to be
    Service
    100%
    Quality
    100%
    Price
    100%
    The Buck 21 stove insert was exactly what i had hoped it to be. Everything came in excellent shape and all parts were with it. Super nice sales team and very knowledgeable. I am very pleased with the product and the sales team. Thank you so much.

    Review by

    Posted on

  6. good stove, consultation hard to get right.
    Quality
    100%
    Price
    80%
    Service
    60%
    Here in Pahrump Nevada it is hard to get contractors out here to do work. We are 50 miles from Las Vegas.

    Review by

    Posted on

  7. until I test it rating it only four stars on the quality
    Quality
    80%
    Price
    80%
    Service
    100%
    VERY FAST DELIVERY, NO damage. Haven't installed it yet but its a no brainer quality stove.

    Review by

    Posted on

Customer Questions
Is this product mobile home approved?
The Buck 21 Stove is mobile home approved. Please refer to the installation manual below. Thanks! https://hvacdirect.com/media/hvac/pdf/BuckStove-21-Install.pdf
My house is, all of a sudden, filling up with smoke. Why? We bought it in 1998.
    There are a lot of factors that can contribute to a wood stove not drafting properly. We recommend contacting a certified chimney professional to properly evaluate your situation. Thanks for reaching out!    
Do I need a blower for my fireplace insert?
A blower is a great addition to a fireplace insert that helps boost heat output and improves efficiency by circulating warm air more effectively throughout your room. While most inserts can operate without a blower, adding one is beneficial if you want faster, more even heating. If extra heat isn’t necessary, your insert will still work well without a blower.
What is a faceplate or surround for a fireplace insert?
A faceplate, surround, or trim kit is used with fireplace inserts to cover and close the gap between the insert and the fireplace opening. It helps create a clean, finished look while ensuring a proper fit, and should be sized slightly larger than your fireplace’s width and height. Various sizes are available to match common fireplace openings for a seamless installation.
Do any wood inserts qualify for a federal tax credit?
Yes, wood-burning inserts that meet government efficiency standards and qualify for the 30% federal tax credit are clearly marked at the top of each product description on HVACDirect.com. You can also view all qualifying models in one place at https://hvacdirect.com/stoves/tax-credit-stoves.html to find the best option for your home.
Do I need a chimney liner for my wood stove or fireplace insert?
A stainless steel chimney liner kit is always recommended when installing a wood-burning fireplace insert or freestanding stove in a masonry chimney. The liner ensures a consistent and safe flow of exhaust gases, improving the draft and overall efficiency of your appliance while protecting your chimney from heat and corrosion. Using a chimney liner helps maintain safety and enhances stove performance.
What size wood insert is right for my home?
Choosing the right size wood insert depends on both your heating needs and the dimensions of your existing fireplace. Be sure to measure your fireplace’s width, height, and depth, then compare those to the minimum fireplace dimensions listed on each product page to ensure a proper fit. Generally, small inserts heat up to 1,500 sq. ft., medium inserts cover up to 2,500 sq. ft., and large inserts can heat areas larger than 2,500 sq. ft., though actual performance varies based on factors like firewood type, room layout, ceiling height, and insulation.
Can you burn coal in any of your inserts?
Schema Markup:       It is not recommended to burn coal in most wood burning fireplace stoves and inserts. Coal burns at higher temperatures and the exhaust/smoke is much more corrosive. Please give us a call if we can help further. Thanks!!!    
Do I need a Chimney Liner?
A chimney liner is always recommended to acheieve peak performance and for piece of mind. If you have any further questions, please feel free to give us a call! Thanks.
Are the Buck Stove Model 21 legs removeable?
The Buck Stove Model 21 can be used as either an insert into a wood burning fireplace which does not require the use of legs. In freestanding installations, the legs or pedestal or added. If you have any further questions please feel free to give us a call! Thanks.
Can the Model 21 Insert be installed into a wood framed cavity where a zero clearance was previously installed?
The Buck Stove Model 21 must be installed into an existing wood burning fireplace. It cannot be installed into a wood framed cavity. The Model 21-ZC Fireplace can be installed into a wood framed cavity. If you have any further questions please feel free to give us a call! Thanks.
Replaceing catalytic gaskets
Please fill out the parts request form on the bottom of the page. If you have any further questions, please feel free to give us a call! Thanks.
What is the meaning of burn time?
Burn time refers to how long a load of firewood will burn in the stove from start to finish. If you have any further questions, please feel free to give us a call! Thanks.
My existing face plate is 39 3/4 width and 29” Height. Does that mean I buy that same dimension from you?
If your fireplace opening is smaller then 39 ¾ and 29” high you are good to order that size. If you have any further questions or need further assistance, please feel free to contact one of our experienced customer service representative. Thank you and have a wonderful day.
What’s is the average burn time on this unit?
The average burn time of this unit is 6 to 8 hours. If you have any further questions please feel free to give us a call! Thanks.
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