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Buck Stove Model 21 Non-Catalytic Wood Stove / Insert – Small Flat Front – 21

Item #: FP 21

SKU: FP 21

$2,191.00

Buck Stove's small flat-front, non-catalytic wood heater for cabins, small rooms and small fireplaces. The Model 21 works freestanding or as an insert, has a standard blower and vents on 6" DuraVent D...

See Full Product Description

  • Manufacturer Warranty Included
Required venting: 6" UL 103 HT chimney (freestanding) or full-height 6" stainless liner (fireplace insert)

Freestanding: connect with 6" stove pipe (DuraVent DVL double-wall or DuraBlack single-wall) to a 6" UL 103 HT Class A chimney such as DuraVent DuraTech, or to a masonry chimney with a 6" stainless liner tee kit. Fireplace insert: run a full-height 6" UL 1777 stainless steel liner from the flue collar to the top of the masonry chimney, insulated where the manual requires. Follow the venting section of the Buck Stove manual; compatible pipe, chimney and liner kits are listed in the options below.

Not sure which pieces you need? Call (540) 212-9374 and we'll put together your vent list from your measurements.

Optional add-ons

56 factory add-ons fit this model

Add any of these in one click — they ship together with your unit.

Optional pedestal, shields, trim kits & offset adapter for the Model 21 5

Chimney & stove pipe for this stove - 6" UL 103 HT (DuraVent DuraTech / DVL / DuraBlack) 24

$235.79
+ Add
$207.06
+ Add

Optional insulation wrap for the insert chimney liner (6") 2

Questions? Call or text (540) 212-9374Monday–Friday, 9:00 AM–5:00 PM ET
Free shipping over $99 · ships direct from the manufacturer · typical delivery is 5–17 business days from the order date; made-to-order items may take longer.
Not sure this is the right part?Call or text (540) 212-9374, Monday–Friday, 9:00 AM–5:00 PM ET. Everything ships direct from the manufacturer; installation is by your own licensed local installer.
Free shipping over $99 · Authorized dealer · Manufacturer warranty included

Free shipping over $99 ($9.99 under). Returns within 30 days of delivery: a 40% restocking fee, 4% card processing fee and shipping both ways are deducted from the refund. Report shipping damage within 48 hours of delivery. See our Return Policy.

  • Free shipping on orders over $99

Product Description

Buck Stove Model 21 overview

The Buck Stove Model 21 (FP 21) is Buck's small flat-front, non-catalytic wood heater, and it can be installed freestanding or as a fireplace insert. It is a good fit for small fireplaces, cabins and single rooms where a larger stove would overheat the space.

Front loading, a blower assembly as standard, and the simplicity of non-catalytic combustion make it an easy stove to live with.

Key features

  • Small flat front, front-loading
  • Non-catalytic
  • Blower assembly standard
  • Freestanding or fireplace insert
  • Optional pedestal, legs, shields, trim kits and offset adapter

Specifications

ModelFP 21
CombustionNon-catalytic
FrontSmall flat front
BlowerStandard
Flue6"

Venting & installation

As a stove, connect 6" stove pipe to a 6" UL 103 HT Class A chimney such as DuraVent DuraTech, or use a 6" stainless liner tee kit and insulation wrap in a masonry chimney. As an insert, use a full-height 6" stainless liner insert kit with insulation wrap. See the venting recommendation on this page. It should be installed per the manufacturer's installation manual and local codes by a qualified installer.

What to order with it

Stove: legs or pedestal and DuraVent chimney and pipe. Insert: a 6" liner kit by chimney height, liner insulation wrap and a trim kit.

FAQ

Is it the smallest Buck stove/insert here?
Yes, the Model 21 is the small flat-front size.

Can I use it in a small fireplace?
Yes, it is sold as a stove or insert; check the opening size in the Buck manual.

Manuals, documents & related pages

Questions about fit or venting? Call (540) 212-9374.

Specifications

Video

No video is available.

FAQs

Q: Do You Ship to Me?

A: We ship to the contiguous United States only (no Alaska, Hawaii, U.S. territories, P.O. boxes or APO/FPO). Free shipping on orders over $99; orders of $99 and under ship for a flat $9.99. Large or fragile items ship by freight with curbside delivery, and the carrier calls to schedule the delivery appointment.

Q: When Will My Order Ship?

A: Typical delivery is 5–17 business days from the order date. Made-to-order items may take longer, as shown on the product page. You will receive tracking information once your order ships.

Q: What Payment Methods Do You Accept?

A: We accept major credit and debit cards (Visa, Mastercard, American Express, Discover), ACH bank payment, Apple Pay, Google Pay and Link by Stripe. You can also pay over time with Affirm, Klarna or Afterpay (subject to approval), or pay by direct bank transfer.

Q: Can I Cancel or Modify My Order?

A: Orders cancelled before they ship are refunded minus a 10% administrative fee. After an order ships, it is handled as a return under our Return Policy.

Q: Why Choose First Response Fireplace Products LLC?

A: First Response Fireplace Products LLC is an authorized dealer for the brands we sell, and every item includes the manufacturer warranty.

More Questions?

  • Authorized Dealer
  • Manufacturer Warranty Included
  • Free shipping over $99

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Freight Shipping

Typical delivery is 5–17 business days from the order date, depending on your location. Made-to-order items may take longer, as shown on the product page.
Freight deliveries are curbside. The carrier will call you to schedule a delivery appointment and will place the shipment curbside at your home. You’ll need to move the shipment from the curb to the end location. Please make sure your street can accommodate a tractor-trailer.
Upon delivery, you’ll be asked to sign the Proof of Delivery (POD). Before signing, inspect the shipment for visible damage. If you see damage, note it on the delivery receipt before you sign. Report any damage within 48 hours of delivery to orders@firstresponsefireplaces.com or (540) 212-9374, with photos, and we will send a free replacement or a full refund.