Buck Stove Model 21NC Fireplace Insert
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Buck Stove Model 21NC Fireplace Insert
Buck Stove Model 21NC Fireplace Insert
Standard Trim 39.75Wx29H
Oversized Trim 45.75Wx32H
Product Details
Specifications
Help & Documents
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The Buck Stove Model 21NC Fireplace Insert is a compact yet powerful heating solution designed to transform an existing masonry or prefabricated fireplace into an efficient zone-heating system. Built with Buck Stove’s trusted American craftsmanship, this non-catalytic wood-burning insert delivers reliable warmth, user-friendly operation, and durable construction, making it an excellent choice for small to medium-sized living spaces.
At the heart of the Model 21NC is a 1.6 cubic-foot firebox, engineered to provide consistent burn performance while maximizing fuel efficiency. The insert accommodates logs up to 18 inches when loaded east-to-west, allowing for flexible loading and extended burn cycles. This design provides homeowners with efficient wood consumption and steady heat output during cold weather.
Designed for dependable heating performance, the Model 21NC delivers up to 41,200 BTUs of heating power and can effectively warm areas ranging from approximately 800 to 1,800 square feet. With an EPA-tested range of roughly 11,079 to 28,901 BTUs, this insert provides ample heating for smaller spaces. Efficiency is a key feature of the Model 21NC. With an overall efficiency rating of up to 70%, the non-catalytic combustion system simplifies operation and maintenance while still delivering clean, reliable performance. For improved heat circulation, the Model 21NC comes standard with a factory-installed blower, which helps distribute warmth evenly throughout the room.
To provide a seamless, finished appearance when installed into a fireplace, the insert is available with either the standard or oversize flashing surround. Choose the standard flashing for fireplaces that are smaller than 39.75" wide by 29" tall. Choose the oversized flashing for fireplaces less than 45.75" wide by 32" tall.
Overall, the Buck Stove Model 21NC Fireplace Insert offers dependable heat performance, efficient wood-burning technology, and flexible installation options, making it a practical and attractive upgrade for homeowners seeking to enhance both comfort and efficiency in their living space.
Features:
- Non-Catalytic Combustion
- Optimum efficiency : 70 %
- Average particulate emissions rate : 1.7 g/h
- Recommended heating area-ft² : 800 - 1,800 square feet
- Included: Blower
Measuring for Your Buck Stove Model 21NC Insert
Installing Your New Wood Fireplace Insert
Buck Stove Model 21NC Fireplace Insert Specifications |
|
| Minimum fireplace opening (Height) | 21” |
| Minimum fireplace opening (Width) | 23 1/4” |
| Minimum fireplace opening (Depth) | 15” |
| Fuel Type | Wood |
| Recommended heating area | 800-1,800 ft² |
| Overall firebox volume | 1.6 ft³ |
| Maximum heat output-EPA Test Wood | 28,901 BTUs |
| Optimum efficiency | 70.00% |
| Emissions (grams/hour) | 1.7 g/h |
| Mobile Home Installation Approval | Yes |
| Blower | Included |
| Tested or/and listed as per applicable standards | By an accredited laboratory |
| Type of Stove | Secondary Burn |
| Chimney diameter | 6” |
| Type of chimney | UL 103 HT (2100°F) / CAN/ULC S629 |
| Minimum chimney height | 15’ |
| Overall dimension (Height) | 20 1/4″ |
| Overall dimension (Width) | 22″ |
| Overall dimension (Depth) | 18 ⅛” |
| Door Type | Double, glass with cast iron frame |
| Glass Type | Ceramic Glass |
| Maximum log length | 18" Side to Side - 11" Front to Back |
| Log positioning | Over width or Front to Back |
| Canadian Standard (safety) | ULC S610 |
| USA Standard (emissions) | EPA |
| USA Standard (safety) | UL 127 |
| Warranty | Limited Lifetime |
| Weight | 317 lbs |
Minimum Clearance to Combustibles:
| Side Wall Combustible | 25” | |||
| Front Floor Protector | 16” | |||
| Side Floor Protector | 8” | |||
| Side Wood Trim | 17” | |||
| Top Wood Trim | 17” | |||
| Mantel or Brackets | 25” | |||
| * The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogues, flyers, magazines and/or web sites). | ||||
| ** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual. | ||||
Product Details:
The Buck Stove Model 21NC Fireplace Insert is a compact yet powerful heating solution designed to transform an existing masonry or prefabricated fireplace into an efficient zone-heating system. Built with Buck Stove’s trusted American craftsmanship, this non-catalytic wood-burning insert delivers reliable warmth, user-friendly operation, and durable construction, making it an excellent choice for small to medium-sized living spaces.
At the heart of the Model 21NC is a 1.6 cubic-foot firebox, engineered to provide consistent burn performance while maximizing fuel efficiency. The insert accommodates logs up to 18 inches when loaded east-to-west, allowing for flexible loading and extended burn cycles. This design provides homeowners with efficient wood consumption and steady heat output during cold weather.
Designed for dependable heating performance, the Model 21NC delivers up to 41,200 BTUs of heating power and can effectively warm areas ranging from approximately 800 to 1,800 square feet. With an EPA-tested range of roughly 11,079 to 28,901 BTUs, this insert provides ample heating for smaller spaces. Efficiency is a key feature of the Model 21NC. With an overall efficiency rating of up to 70%, the non-catalytic combustion system simplifies operation and maintenance while still delivering clean, reliable performance. For improved heat circulation, the Model 21NC comes standard with a factory-installed blower, which helps distribute warmth evenly throughout the room.
To provide a seamless, finished appearance when installed into a fireplace, the insert is available with either the standard or oversize flashing surround. Choose the standard flashing for fireplaces that are smaller than 39.75" wide by 29" tall. Choose the oversized flashing for fireplaces less than 45.75" wide by 32" tall.
Overall, the Buck Stove Model 21NC Fireplace Insert offers dependable heat performance, efficient wood-burning technology, and flexible installation options, making it a practical and attractive upgrade for homeowners seeking to enhance both comfort and efficiency in their living space.
Features:
- Non-Catalytic Combustion
- Optimum efficiency : 70 %
- Average particulate emissions rate : 1.7 g/h
- Recommended heating area-ft² : 800 - 1,800 square feet
- Included: Blower
Measuring for Your Buck Stove Model 21NC Insert
Installing Your New Wood Fireplace Insert
Specifications:
Buck Stove Model 21NC Fireplace Insert Specifications |
|
| Minimum fireplace opening (Height) | 21” |
| Minimum fireplace opening (Width) | 23 1/4” |
| Minimum fireplace opening (Depth) | 15” |
| Fuel Type | Wood |
| Recommended heating area | 800-1,800 ft² |
| Overall firebox volume | 1.6 ft³ |
| Maximum heat output-EPA Test Wood | 28,901 BTUs |
| Optimum efficiency | 70.00% |
| Emissions (grams/hour) | 1.7 g/h |
| Mobile Home Installation Approval | Yes |
| Blower | Included |
| Tested or/and listed as per applicable standards | By an accredited laboratory |
| Type of Stove | Secondary Burn |
| Chimney diameter | 6” |
| Type of chimney | UL 103 HT (2100°F) / CAN/ULC S629 |
| Minimum chimney height | 15’ |
| Overall dimension (Height) | 20 1/4″ |
| Overall dimension (Width) | 22″ |
| Overall dimension (Depth) | 18 ⅛” |
| Door Type | Double, glass with cast iron frame |
| Glass Type | Ceramic Glass |
| Maximum log length | 18" Side to Side - 11" Front to Back |
| Log positioning | Over width or Front to Back |
| Canadian Standard (safety) | ULC S610 |
| USA Standard (emissions) | EPA |
| USA Standard (safety) | UL 127 |
| Warranty | Limited Lifetime |
| Weight | 317 lbs |
Minimum Clearance to Combustibles:
| Side Wall Combustible | 25” | |||
| Front Floor Protector | 16” | |||
| Side Floor Protector | 8” | |||
| Side Wood Trim | 17” | |||
| Top Wood Trim | 17” | |||
| Mantel or Brackets | 25” | |||
| * The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogues, flyers, magazines and/or web sites). | ||||
| ** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual. | ||||
Help & Documents:
Options:
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Our 316Ti flexible chimney liner and chimney liner components have passed the rigorous testing at the Underwriters Laboratories with best in class status and are UL Listed. So if you are looking for UL listed chimney liner sold directly to homeowners, then look no further than Rockford Chimney
