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

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

Description

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 Stove, Wood 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.

Product Specifications

More Information
Buck Stove 21 Wood Burning Fireplace Insert with Blower - FP 21 - Heats 1800 Sq Ft
SKU	21-INSERT
Weight (in lbs)	342.000000
Brand/Manufacturer	Buck Stove
Replaces	21-Insert-2
Included Items	Blower
Heating BTU	41,200
Approximate Heating Area	800 - 1800 Square Feet
Maximum CFM	85 CFMs (Included Blower)
Flue Location	Top
Flue Outlet	6" Diameter
Efficiency	70%
Electrical	120V (Included Blower)
Amperage Requirement	1.1 Amps (Included Blower)
Material	Steel
Type	Brick & Stone Fireplace Insert, With Blower
Ignition Type	Match Light
Fuel Type	Wood
Certification	EPA & Warnock Hershey To UL1482
Size Range	Up To 29" Wide
Area Heated	1500 - 1999 Sq. Ft
Fireplace Style	Traditional
Minimum Fireplace Dimensions	23 1/4"W x 21"H x 15"D
Max Log Length	18"
Height	20 1/4"
Width	23 3/8"
Depth	18 1/8"
Warranty	5 Year Limited
Resources	Buck Stove Installation Manual Buck Stove Technical Quick Guide Buck Stove Wood Stove Brochure You will need AdobeÂ® AcrobatÂ® Reader to view PDF documents.
Safety Information	PROPOSITION 65 WARNING This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.

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Questions and Answers

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

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.

If you put the model 21 in as an insert would you be able to pull it out later and use it as a standing stove?

Hello, yes you could! Of course, you'd need to have the correct legs to support this unit but it can be swapped between freestanding and being an insert. If you have any further questions please feel free to give us a call! Thank you.

Why Choose Buck Stove?

Buck Stove heating solutions combine classic craftsmanship with modern efficiency, delivering reliable warmth and timeless style to any space. Built for durability and performance, these stoves provide powerful heating while enhancing the comfort and ambiance of your home.