Overview
The Buck Stove Model 81C Catalytic Wood Burning Fireplace Insert combines powerful heating performance with the warmth and character of a real wood fire. Designed to transform a compatible existing masonry fireplace into an efficient home heating source, the Model 81C is an outstanding choice for larger homes, heating approximately 1,600–2,700 square feet while producing 13,800–59,500 BTUs per hour. Built around a spacious 2.48 cubic foot firebox, the Model 81C accommodates logs up to 20 inches long and uses durable catalytic combustion technology to achieve 80% efficiency. A factory-installed variable-speed blower helps circulate warmth into the living space, while the convenient ash removal tray makes routine cleanup easier.
The large glass door provides a dramatic view of the fire, while the integrated air wash system helps keep the glass cleaner for a better view of the flames. For homeowners looking to upgrade an existing masonry fireplace, the Buck Stove Model 81C wood burning fireplace insert delivers high-efficiency heating, convenient operation, and classic wood-fire ambiance.
Main Features:
- Powerful Heating for Larger Homes
Designed to heat approximately 1,600–2,700 sq. ft., making the Model 81C a strong choice for substantial living spaces. - High-Efficiency Catalytic Performance
Catalytic combustion technology helps achieve 80% efficiency, delivering more usable heat from your firewood. - 13,800–59,500 BTU Heat Output
A wide heating range provides dependable warmth whether you need steady everyday heat or stronger output during colder weather. - Spacious 2.48 Cu. Ft. Firebox
Accommodates logs up to 20 inches long for convenient loading and serious wood-burning performance. - Factory-Installed Variable-Speed Blower
The included blower helps move heated air away from the fireplace and circulate warmth throughout your living space. - Large Glass Viewing Door
Enjoy a wide, dramatic view of the flames while adding the traditional ambiance of a real wood fire to your home. - Air Wash Glass System
Helps reduce buildup on the glass to maintain a cleaner, clearer view of the fire. - Convenient Ash Removal Tray
Makes routine ash removal and fireplace maintenance easier. - Designed for Masonry Fireplaces
The insert configuration transforms a compatible existing masonry fireplace into a powerful, high-efficiency wood-burning heat source.
Specifications:
- Max Heat Output: 13,800 - 59,500 BTU
- Heating Area: 1,600 - 2,700 Sq. Ft
- Unit Dimensions: 29" W x 24" H x 23 3/4" D
- Minimum Fireplace Dimensions: 29" W x 24 1/2" H x 14" D
- Firebox Volume: 2.48 Cubit Feet
- Door Type: Single, Glass with Cast Iron Frame
- Chimney Diameter: 6" Top Vent
- Maximum Log Length: 23" (front to back), 25" (side to side)
- Clearances: 21" to Mantel, 12" to Side Wall
- Weight: 499lbs
- Efficiency: 80%
- Warranty: 5 Year
Warranty:
New Buck Corporation provides limited warranty coverage for the heating unit while it remains owned by the original purchaser, subject to the warranty terms and exclusions.
-
First-Year Parts Coverage
For 1 year from the date of purchase, New Buck Corporation may repair or replace, at its option, parts found to be defective in materials or workmanship. Parts are covered; labor and transportation costs are the responsibility of the customer. -
Extended 5-Year Parts Coverage
The warranty provides additional parts coverage for qualifying components for a 5-year period following the initial warranty period, subject to the limitations outlined by New Buck Corporation. Electrical motors, wiring, switches, components, accessories, and parts not permanently attached to the heating unit are excluded from this extended coverage. -
Original Purchaser Coverage
Warranty protection applies while the covered heating unit remains owned by the original purchaser and is non-transferable.
Warranty coverage does not include:
- Glass
- Refractory material
- Firebrick
- Gaskets
- Catalyst
- Damage or failure caused by abuse
- Damage or failure caused by improper installation
- Labor or transportation charges
- Unauthorized repairs or attempted repairs
All warranty repairs must be completed by an authorized Buck Stove service representative. Repairs or attempted repairs by unauthorized parties are not covered and may affect coverage for resulting problems.
The Owner Registration Card must be completed and mailed within 30 days of purchase, or within 30 days of installation when installed by a factory-certified installer. The applicable Authorized Dealer Code Number and Certified Installer number must be included for warranty coverage to begin.
Product Resources
The Buck Stove Model 81C Catalytic Wood Burning Fireplace Insert combines powerful heating performance with the warmth and character of a real wood fire. Designed to transform a compatible existing masonry fireplace into an efficient home heating source, the Model 81C is an outstanding choice for larger homes, heating approximately 1,600–2,700 square feet while producing 13,800–59,500 BTUs per hour. Built around a spacious 2.48 cubic foot firebox, the Model 81C accommodates logs up to 20 inches long and uses durable catalytic combustion technology to achieve 80% efficiency. A factory-installed variable-speed blower helps circulate warmth into the living space, while the convenient ash removal tray makes routine cleanup easier.
The large glass door provides a dramatic view of the fire, while the integrated air wash system helps keep the glass cleaner for a better view of the flames. For homeowners looking to upgrade an existing masonry fireplace, the Buck Stove Model 81C wood burning fireplace insert delivers high-efficiency heating, convenient operation, and classic wood-fire ambiance.
Main Features:
- Powerful Heating for Larger Homes
Designed to heat approximately 1,600–2,700 sq. ft., making the Model 81C a strong choice for substantial living spaces. - High-Efficiency Catalytic Performance
Catalytic combustion technology helps achieve 80% efficiency, delivering more usable heat from your firewood. - 13,800–59,500 BTU Heat Output
A wide heating range provides dependable warmth whether you need steady everyday heat or stronger output during colder weather. - Spacious 2.48 Cu. Ft. Firebox
Accommodates logs up to 20 inches long for convenient loading and serious wood-burning performance. - Factory-Installed Variable-Speed Blower
The included blower helps move heated air away from the fireplace and circulate warmth throughout your living space. - Large Glass Viewing Door
Enjoy a wide, dramatic view of the flames while adding the traditional ambiance of a real wood fire to your home. - Air Wash Glass System
Helps reduce buildup on the glass to maintain a cleaner, clearer view of the fire. - Convenient Ash Removal Tray
Makes routine ash removal and fireplace maintenance easier. - Designed for Masonry Fireplaces
The insert configuration transforms a compatible existing masonry fireplace into a powerful, high-efficiency wood-burning heat source.
Specifications:
- Max Heat Output: 13,800 - 59,500 BTU
- Heating Area: 1,600 - 2,700 Sq. Ft
- Unit Dimensions: 29" W x 24" H x 23 3/4" D
- Minimum Fireplace Dimensions: 29" W x 24 1/2" H x 14" D
- Firebox Volume: 2.48 Cubit Feet
- Door Type: Single, Glass with Cast Iron Frame
- Chimney Diameter: 6" Top Vent
- Maximum Log Length: 23" (front to back), 25" (side to side)
- Clearances: 21" to Mantel, 12" to Side Wall
- Weight: 499lbs
- Efficiency: 80%
- Warranty: 5 Year
Warranty:
New Buck Corporation provides limited warranty coverage for the heating unit while it remains owned by the original purchaser, subject to the warranty terms and exclusions.
-
First-Year Parts Coverage
For 1 year from the date of purchase, New Buck Corporation may repair or replace, at its option, parts found to be defective in materials or workmanship. Parts are covered; labor and transportation costs are the responsibility of the customer. -
Extended 5-Year Parts Coverage
The warranty provides additional parts coverage for qualifying components for a 5-year period following the initial warranty period, subject to the limitations outlined by New Buck Corporation. Electrical motors, wiring, switches, components, accessories, and parts not permanently attached to the heating unit are excluded from this extended coverage. -
Original Purchaser Coverage
Warranty protection applies while the covered heating unit remains owned by the original purchaser and is non-transferable.
Warranty coverage does not include:
- Glass
- Refractory material
- Firebrick
- Gaskets
- Catalyst
- Damage or failure caused by abuse
- Damage or failure caused by improper installation
- Labor or transportation charges
- Unauthorized repairs or attempted repairs
All warranty repairs must be completed by an authorized Buck Stove service representative. Repairs or attempted repairs by unauthorized parties are not covered and may affect coverage for resulting problems.
The Owner Registration Card must be completed and mailed within 30 days of purchase, or within 30 days of installation when installed by a factory-certified installer. The applicable Authorized Dealer Code Number and Certified Installer number must be included for warranty coverage to begin.
Education
The Buck Stove Model 81C Catalytic Wood Burning Fireplace Insert combines powerful heating performance with the warmth and character of a real wood fire. Designed to transform a compatible existing masonry fireplace into an efficient home heating source, the Model 81C is an outstanding choice for larger homes, heating approximately 1,600–2,700 square feet while producing 13,800–59,500 BTUs per hour. Built around a spacious 2.48 cubic foot firebox, the Model 81C accommodates logs up to 20 inches long and uses durable catalytic combustion technology to achieve 80% efficiency. A factory-installed variable-speed blower helps circulate warmth into the living space, while the convenient ash removal tray makes routine cleanup easier.
The large glass door provides a dramatic view of the fire, while the integrated air wash system helps keep the glass cleaner for a better view of the flames. For homeowners looking to upgrade an existing masonry fireplace, the Buck Stove Model 81C wood burning fireplace insert delivers high-efficiency heating, convenient operation, and classic wood-fire ambiance.
Main Features:
- Powerful Heating for Larger Homes
Designed to heat approximately 1,600–2,700 sq. ft., making the Model 81C a strong choice for substantial living spaces. - High-Efficiency Catalytic Performance
Catalytic combustion technology helps achieve 80% efficiency, delivering more usable heat from your firewood. - 13,800–59,500 BTU Heat Output
A wide heating range provides dependable warmth whether you need steady everyday heat or stronger output during colder weather. - Spacious 2.48 Cu. Ft. Firebox
Accommodates logs up to 20 inches long for convenient loading and serious wood-burning performance. - Factory-Installed Variable-Speed Blower
The included blower helps move heated air away from the fireplace and circulate warmth throughout your living space. - Large Glass Viewing Door
Enjoy a wide, dramatic view of the flames while adding the traditional ambiance of a real wood fire to your home. - Air Wash Glass System
Helps reduce buildup on the glass to maintain a cleaner, clearer view of the fire. - Convenient Ash Removal Tray
Makes routine ash removal and fireplace maintenance easier. - Designed for Masonry Fireplaces
The insert configuration transforms a compatible existing masonry fireplace into a powerful, high-efficiency wood-burning heat source.
Specifications:
- Max Heat Output: 13,800 - 59,500 BTU
- Heating Area: 1,600 - 2,700 Sq. Ft
- Unit Dimensions: 29" W x 24" H x 23 3/4" D
- Minimum Fireplace Dimensions: 29" W x 24 1/2" H x 14" D
- Firebox Volume: 2.48 Cubit Feet
- Door Type: Single, Glass with Cast Iron Frame
- Chimney Diameter: 6" Top Vent
- Maximum Log Length: 23" (front to back), 25" (side to side)
- Clearances: 21" to Mantel, 12" to Side Wall
- Weight: 499lbs
- Efficiency: 80%
- Warranty: 5 Year
Warranty:
New Buck Corporation provides limited warranty coverage for the heating unit while it remains owned by the original purchaser, subject to the warranty terms and exclusions.
-
First-Year Parts Coverage
For 1 year from the date of purchase, New Buck Corporation may repair or replace, at its option, parts found to be defective in materials or workmanship. Parts are covered; labor and transportation costs are the responsibility of the customer. -
Extended 5-Year Parts Coverage
The warranty provides additional parts coverage for qualifying components for a 5-year period following the initial warranty period, subject to the limitations outlined by New Buck Corporation. Electrical motors, wiring, switches, components, accessories, and parts not permanently attached to the heating unit are excluded from this extended coverage. -
Original Purchaser Coverage
Warranty protection applies while the covered heating unit remains owned by the original purchaser and is non-transferable.
Warranty coverage does not include:
- Glass
- Refractory material
- Firebrick
- Gaskets
- Catalyst
- Damage or failure caused by abuse
- Damage or failure caused by improper installation
- Labor or transportation charges
- Unauthorized repairs or attempted repairs
All warranty repairs must be completed by an authorized Buck Stove service representative. Repairs or attempted repairs by unauthorized parties are not covered and may affect coverage for resulting problems.
The Owner Registration Card must be completed and mailed within 30 days of purchase, or within 30 days of installation when installed by a factory-certified installer. The applicable Authorized Dealer Code Number and Certified Installer number must be included for warranty coverage to begin.





