Buck Stove 81 Wood Insert with Blower
The Buck Stove Model 81 Wood Insert with Blower combines efficiency, warmth, and style, making it an ideal choice for large spaces up to 2,700 square feet. Crafted to be either a freestanding stove or a masonry fireplace insert, this wood stove delivers powerful heating with a traditional charm that complements a variety of home décors.
This model boasts a generous heating capacity of 59,500 BTUs, providing even warmth throughout your space. The expansive viewing area allows you to fully enjoy the beauty of a wood-burning fire. With a 2.48-cubic-foot firebox, the Model 81 easily accommodates logs up to 20 inches front-to-back and 18 inches side-to-side, meaning fewer reloads and a longer, more comfortable burn.
One of the key features of the Buck Stove Model 81 is its high-efficiency blower, which operates at up to 85 CFMs, ensuring steady heat distribution across large rooms. The included variable-speed blower is heat-activated and runs quietly, enhancing your comfort without disrupting your space. The stove also includes a built-in ash pan for easy cleanup, keeping maintenance straightforward.
Designed to fit in fireplaces with minimum dimensions of 29" W x 23 3/4" H x 14" D, this wood stove insert provides flexibility in installation. For added style, choose between optional black, gold, or pewter finishes for the door and legs, tailoring it to suit your home’s aesthetic.
With an efficiency rating of 69.8% and EPA certification, the Buck Stove Model 81 not only heats effectively but also does so with an environmentally friendly design. The solid steel construction speaks to Buck Stove’s commitment to durability, and a 5-year limited warranty backs the unit, providing peace of mind along with reliable warmth.
This stove is ideal for anyone seeking an efficient, visually appealing wood stove that handles large spaces with ease, offering both classic charm and high functionality in one powerful unit.
| Technical Specifications | |
|---|---|
| Product Name: | Buck Stove 81 Wood Stove W/Blower - Heats 2700 Sq Ft |
| Weight (in lbs): | 460 |
| Included Items: | 185 CFM Heat Activated, Variable Speed Blower Kit |
| Heating BTU: | 45,400 |
| Approximate Heating Area: | 1,600 - 2,700 Square Feet |
| Maximum CFM: | 85 CFMs (Included Blower) |
| Flue Location: | Top |
| Flue Outlet: | 6" Diameter |
| Efficiency: | 69.80% |
| Electrical: | 120V (Included Blower) |
| Amperage Requirement: | 1.3 Amps (Included Blower) |
| Type: | Freestanding, Mobile Home Approved, With Blower |
| Fuel Type: | Wood |
| Certification: | EPA & Warnock Hershey To UL1482 |
| Area Heated: | 2,500 - 2,999 Sq. Ft |
| Max Log Length: | 20" (Front To Back) 18" (Side To Side) |
| Height: | 23 7/16" |
| Width: | 30 1/4" |
| Depth: | 25 3/4" |
| Warranty: | 5 Year Limited |
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Installation Instruction for the M-FLEX Chimney Liners:
The M-Flex stainless steel chimney liners are specifically designed for venting heating appliances (oil, gas, or solid fuel) through masonry chimneys. Installations should be conducted by a certified chimney professional, following local building codes and any special appliance requirements.
Installation Steps
1. Inspect and Prepare the Chimney
Before starting, confirm that the chimney meets these structural and code requirements:
- Height Requirements: The chimney should be between 10 and 100 feet high.
- Wall Thickness: There must be a minimum of 4 inches of solid masonry, as thinner walls could compromise safety and insulation.
- Height Above Roofline: The chimney should extend at least 3 feet above the roof where it penetrates, and 2 feet higher than any nearby building structures within 10 feet.
Clearances to Combustible Materials:
- Inside the Building: Maintain 2 inches of airspace around the chimney.
- Outside the Building: 1 inch of airspace to combustibles is required.
- Fire Stops: Install non-combustible fire stops where the chimney passes through any floors, ceilings, or structural barriers.
- Chimney Condition and Cleaning: Thoroughly clean the chimney to remove any soot or creosote buildup, and inspect for structural soundness. Repair any damaged sections, such as missing or loose bricks, cracked mortar, or other visible weaknesses, before proceeding.
Important: If minimum clearances to combustible materials cannot be maintained, a UL-listed chimney insulation is mandatory.
2. Select and Size the Correct Liner Diameter
- For Solid Fuel Appliances: The liner’s cross-sectional area should be no less than the appliance’s outlet collar and no more than three times the outlet collar’s cross-sectional area. For fireplaces, the liner should be at least 1/10th the area of the fireplace opening.
- For Gas or Oil Appliances: Consult NFPA 54 for gas appliances and NFPA 31 for oil appliances, as well as the manufacturer’s instructions to determine proper liner size.
- Proper liner sizing is essential to avoid problems such as back-drafting, condensation, and efficiency loss.
3. Verify Liner Fit in the Chimney
- Check that the liner fits properly within the existing flue. Test the fit by lowering a short piece of liner down the chimney or using a guide cone to confirm the correct clearance throughout. Variations in the chimney’s construction, such as bends or offsets, may affect the liner’s path.
- Insulated Liners: If the liner will be insulated, confirm there is adequate space to accommodate both liner and insulation.
- Ovalization: If a round liner won’t fit, it may be shaped into an oval. Note that this reduces the liner’s cross-sectional area, which can impact appliance performance.
4. Install the Chimney Liner
- Measure and Cut the Liner: Measure from the bottom thimble to the chimney top, adding an extra 6 inches for adjustments at the crown and top hardware. Cut the liner to the appropriate length.
- Attach the Tee: Secure the tee body to the liner with stainless steel rivets or screws. If you’re adding a ceramic insulation blanket, install it now around the liner.
- Insert the Tee Snout: Position the tee snout within the chimney thimble, then center it using a draw band. Lower the liner from the chimney top, aligning it with the tee snout and securing the connection by tightening the draw band. Use mortar around the snout to create an airtight seal.
- Seal the Chimney Top: Two methods are available:
- Top Kit Option: Remove the rain cap, install the plate assembly over the liner, tighten screws, and secure the assembly to the chimney with masonry screws or silicone. Trim the liner flush and reinstall the rain cap.
- Top Plate Option: Place the top plate over the liner, secure it to the chimney top with screws or mortar, and install the support clamp and storm collar with a silicone seal. Attach the rain cap to the liner.
5. Install the Liner for Fireplace Applications
- When using the liner with a fireplace, a base plate replaces the tee at the smoke chamber’s top to seal off the liner.
- Install Base Plate from Damper Opening: Slide the liner down to the smoke chamber from the top, position the base plate around the liner, and secure it with stainless steel rivets or a support clamp. Once secured, pull the liner up slightly to seat the base plate on the smoke chamber.
- Install Base Plate Through the Fireplace Face: For more masonry-intensive installations, remove bricks to access the smoke chamber, place the base plate, insert the liner through it, and secure it. Refill the brickwork with masonry material for a complete seal.
6. Insulate the Chimney Liner
Insulating the liner may enhance safety and performance by preventing condensation and reducing creosote buildup in wood-burning systems. UL1777 standards recommend insulation for chimneys with inadequate clearance or structural defects, but even code-compliant chimneys benefit from insulation.
Methods for Insulating M-Flex Liners:
- Premier Mix Insulation: Pour the pre-mixed insulation around the installed liner until the chimney is filled. Premier Mix requires 28 days for full curing, with accelerated drying by using the heating appliance.
- PremierWrap Blanket: Wrap the blanket (ceramic wool with aluminum foil) around the liner before installation, securing it with foil tape and a retractable wire mesh.
Following these steps ensures that the M-Flex liner is installed correctly, with proper sizing, fit, and insulation for safe and effective chimney operation.
Why is a Chimney Liner Important?
According to the Chimney Safety Institute of America (CSIA), a chimney liner serves three essential purposes:
- Protects Your Home from Heat and Flames: An unlined chimney increases fire risks by allowing heat and flames to escape through the brickwork. Studies show that woodwork near an unlined chimney can ignite within hours, highlighting the importance of a protective liner.
- Preserves Your Masonry: Combustion byproducts can erode brick and mortar over time if no liner is in place. As masonry deteriorates, the risks of carbon monoxide leaks and house fires increase, making a chimney liner vital for safety.
- Enhances Efficiency: A properly sized liner improves draft, reduces creosote buildup, and ensures safe operation. Without it, your chimney system may become inefficient and pose additional risks.
Selecting a high-quality option, such as an M-Flex or stainless steel liner, helps ensure your chimney’s longevity and safety.
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