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Buck Stove Model 21 Non-Catalytic Insert review

A small US-made insert to turn an open fireplace into a heater.

What the listing states

  • Up to 28,901 BTU; non-catalytic
  • Cut-to-size trim kits; three door finishes
  • 1-year replacement, 5-year parts warranty

Buck ties the warranty to installation under local and state codes. Install it to the clearances in the manual and your local code, ideally by an NFI-certified installer, and keep working smoke and CO alarms in the home.

Availability

As this page was put together, the price sat around $2723 at the American Amazon store.

Keepa reading from the day this page was last updated; stock and prices change without warning.

Prices quoted in this text are dated readings and can differ from the live price at the top of the page.

The declared numbers, and where they stop

Strengths

  • US maker
  • Trim kits for gaps
  • Choice of door finish

Compromises

  • Dimensions not in the text
  • Certification not in the bullets
  • Expensive

Specifications

OutputUp to 28,901 BTU
CombustionNon-catalytic
TrimBlack trim kits, cut to size
DoorsBlack, pewter or gold
Warranty1-year replacement, 5-year limited parts; registration required
Certification / dimensionsNot in the bullets; see the listing’s fifth photo
Amazon referenceB0CQRX8V81

Questions this one prompts

Does an insert need a liner?

Most installations need a full-length liner sized to the insert’s flue. See fireplace insert vs wood stove.

How much heat does the Buck Stove Model 21 put out?

Buck Stove lists up to 28,901 BTU for the Model 21, a non-catalytic wood insert for small to medium rooms.

What warranty comes with the Buck Stove Model 21?

A 1-year replacement and a 5-year limited parts warranty, both subject to registration.

What finishes are available?

The doors come in black, pewter or gold, and the black trim kits are cut to size.

Our score

8.1/ 10

Buck Stove’s Model 21 non-catalytic wood insert, up to 28,901 BTU for small to medium rooms, with cut-to-size trim kits, door colors in black, pewter or gold, and a 1-year replacement plus 5-year parts warranty on registration.

The price on Amazon.com

This model is listed on Amazon.com, at ≈ $2,723 at the last reading. Listed is not the same as in stock: availability changes daily, and the buy box shows the live price.

Details checked on November 10, 2026.

Who buys this one, among wood heating appliances

Small to medium rooms with an existing masonry fireplace

Sources

Specifications: the manufacturer sheet for wood heating equipment and the matching Amazon product page. Prices, ratings and availability: read on Amazon.com from a New York address. Every figure on this page names its source.

How we assess these wood heating appliances

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