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Osburn Horizon Wood Fireplace
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Osburn Horizon Wood Fireplace
Beyond the Size!
This wood fireplace offers peace of mind due to the combination of energy efficiency and clean heating. A simple solution; its clean design suits any type of decor.
Large fireplace. Behind its large glass door, the 4.28 cubic foot combustion chamber can hold an impressive 60 lbs of wood.
Low emissions. This energy efficient fireplace complies with the EPA’s clean-air standards (only 1.6 g/hr of emissions) in particular through the intelligent air control mechanism is a patented design that optimizes combustion quality.
High efficiency. The Horizon fireplace is capable of heating large spaces and burns for 10 hours.
*Note that the price displayed on the web includes the prairie style faceplate (OA10630) and the moulded refractory brick panels (AC02360) that are required components for this unit.
**Any installation must be done according to the data and drawings detailed in the owner’s manual.
Specifications
Appliance Performance
| Fuel type : | Dry cordwood (16" recommended) | |
|---|---|---|
| Recommended heating area-ft² : () | 1,000 - 2,800 | |
| Overall firebox volume-ft³ : | 4.28 | |
| EPA loading volume-ft³ : | 4.28 | |
| Maximum burn time : () | 11 h | |
| Maximum heat output-dry cordwood : (2) | 95,000 BTU/h (27.8 kW) | |
| Overall heat output rate < : (2) (3) | 16,900 BTU/h (5.0 kW) to 43,000 BTU/h (12.6 kW) | |
| Average overall efficiency (dry cordwood) : (3) | 64 % (HHV) (4) | 69 % (LHV) (5) |
| Optimum efficiency : (6) (7) | 70 % | |
| Optimum heat transfer efficiency : (8) | 69 % | |
| Average particulate emissions rate : (9) | 1.6 g/h | |
| Average CO : (10) | 159.0 g/h | |
(1) Values are based on test methods, except for recommended heating area, firebox volume, maximum burn time, and heat output.
() Recommended heating area and burn time may vary depending on location, chimney draft, climate, fuel type, and other factors. The heating area is defined by the manufacturer’s capacity to maintain a minimum temperature during power failure.
(2) Maximum heat output (dry cordwood) is based on a loading density of 15-20 lb/ft³ and reloading intervals of 60-120 minutes. Other performance data assumes a fuel load of 7-12 lb/ft³ with 19-25% moisture content.
(3) As measured per CSA B415.1-10 stack loss method.
(4) Higher Heating Value of the fuel.
(5) Lower Heating Value of the fuel.
(6) Performance based on prescribed fuel load (7 lb/ft³, 19-25% moisture content).
(7) Optimum overall efficiency at a specific burn rate (LHV).
(8) Efficiency is optimized at a specific burn rate (LHV) and reflects the appliance's heat transfer efficiency at low burn rates.
(9) This appliance is tested and certified by an independent agency.
(10) Carbon monoxyde.
General Features
| Combustion technology | Non-catalytic |
|---|---|
| High-efficiency certified appliance | Yes, EPA 2020 approved |
| Maximum log length | 25" |
| Log positioning | Loading over width |
| Chimney diameter | 8" |
| Flue outlet diameter | 8" |
| Type of chimney | CAN/ULC S629, UL 103 HT (2100 °F) |
| Minimum chimney height (feet) | 15' |
| Baffle type | C-Cast or equivalent |
| Approved for a mobile home installation | No |
| Shipping Weight | 560 lb (254 kg) |
| Door type | Double, glass with cast iron frame |
| Glass type | Ceramic glass |
| Glass surface – dimensions (Width X Height) | 29 3/4" X 13 1/2" |
| Glass air-wash system | Yes |
| Premium quality blower included (CFM) | 176 |
| Overall dimension (Height) | 43 3/8" |
| Overall dimension (Width) | 50 3/4" |
| Overall dimension (Depth) | 31 3/4" |
| Door opening – dimension (Height) | 12 3/4" |
| Door opening - dimension (Width) | 33" |
| Firebox – dimension (Height) | 17" |
| Firebox – dimension (Width) | 25 3/8" |
| Firebox – dimension (Depth) | 17 7/8" |
| Moulded refractory bricks | Yes |
| Stainless-steel secondary-air system improving gas combustion | Yes |
| USA standard (emissions) | EPA / ASTM WK47329 |
| Canadian Standard (emissions) | CSA B415.1-10 |
| USA standard (safety) | UL 127 |
| Canadian standard (safety) | ULC-S610 |
| Tested and listed as per applicable standards | By an accredited laboratory (CAN/USA) |
| Warranty | Limited lifetime |
* Specific components may be required depending on the chimney manufacturer.
(Requires an Anchor Plate for connecting chimney to the fireplace.) (Fireplace comes with a 5” outside air adapter.)
|
Minimum clearances to combustibles* (Data expressed in inches. 1 inch = 25.4 mm) |
Canada | United-States |
|---|---|---|
| Clearance – top (measured from the platform on which the appliance is installed)** | 84" | 84" |
| Clearance – combustible side mantle to unit | 8" | 8" |
| Clearance - side wall | 24" | 24" |
| Clearance - from the shelf to the base of the fireplace | N.A. | N.A. |
| * 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. | ||