The Osburn 3500 wood insert combines power, efficiency and safety. With its amazing features and sober lines that give way to one of the largest glass surfaces in its category, this insert will blend perfectly with the architecture of your home. Its flawless design reveals all the Canadian know-how in terms of alternative heating and will quickly become the house favorite. No harsh winter can resist it!
Because each house is unique, choose the door overlay, the faceplate and the trims that suit you!
GENERAL FEATURES
| Combustion technology | Non-catalytic |
| High-efficiency certified appliance | Yes, EPA 2020 approved |
| Maximum log length | 22" |
| Log positioning | Loading over width and over depth |
| Chimney diameter | 6" |
| Flue outlet diameter | 6" |
| Type of chimney | Liner - ULC-S635, CAN/ULC-S640, UL1777 |
| Minimum chimney height (feet) | 15' |
| Baffle type | C-Cast or equivalent |
| Approved for a mobile home installation | No |
| Shipping Weight | 540 lb (245 kg) |
| Door type | Single, glass with cast iron frame |
| Glass type | Ceramic glass |
| Glass surface – dimensions (Width X Height) | 18 7/8" X 11 3/4" |
| Glass air-wash system | Yes |
| Premium quality blower included (CFM) | 144 |
| Overall dimension (Height) | 24 7/8" |
| Overall dimension (Width) | 30 3/8" |
| Overall dimension (Depth) | 29" |
| Door opening – dimension (Height) | 9 7/8" |
| Door opening - dimension (Width) | 19" |
| Firebox – dimension (Height) | 12 7/8" |
| Firebox – dimension (Width) | 22 7/8" |
| Firebox – dimension (Depth) | 20 1/8" |
| Firebox lined with refractory bricks for better heat distribution | Yes |
| Stainless-steel secondary-air system improving gas combustion | Yes |
| Steel thickness – body | 3/16" |
| Steel thickness – top | 5/16" |
| Fireplace opening – minimum (Height) | 26 1/4" |
| Fireplace opening – minimum (Width) | 31" |
| Fireplace opening – minimum (Depth) | 18 3/8" |
| USA standard (emissions) | EPA |
| Canadian Standard (emissions) | CSA B415.1-10 |
| USA standard (safety) | UL 1482, UL 737 |
| Canadian standard (safety) | ULC S628 |
| Tested and listed as per applicable standards | By an accredited laboratory (CAN/USA) |
| Warranty | Limited lifetime |
| Minimum clearances to combustibles* (Data expressed in inches. 1 inch = 25.4 mm) |
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| Canada | United-States | |
| Clearance – top (measured from the platform on which the appliance is installed)** | 84" | 84" |
| Clearance – combustible side mantle to unit | 9" | 9" |
| Clearance – combustible top mantle to unit | 27" | 27" |
| Clearance – combustible side wall to unit | 19" | 19" |
| Clearance - from the top of the unit to the shelf | 27" | |
| Clearance – from the top of the insert to the shelf | 27" | |
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* 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). |
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** Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual. |
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APPLIANCE PERFORMANCE
| Fuel type : | Dry cordwood (16" recommended) | |
| Recommended heating area-ft² : | 1,000 - 2,700 | |
| Overall firebox volume-ft³ : | 3.5 | |
| EPA loading volume-ft³ : | 2.88 | |
| Maximum burn time : | 10 h | |
| Maximum heat output-dry cordwood : | 110,000 BTU/h (32.2 kW) | |
| Overall heat output rate < : | 17,200 BTU/h (5.0 kW) to 57,800 BTU/h (16.9 kW) | |
| Average overall efficiency (dry cordwood) : | 71 % (HHV) | 76 % (LHV) |
| Optimum overall efficiency : | 77 % | |
| Optimum heat transfer efficiency : | 75 % | |
| Average particulate emissions rate : | 1.6 g/h | |
| Average CO : | 73 g/h | |
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