OB03510
Estimated Arrival: Between and . (To All Contiguous States)
✔ Same-Day Order Processing
✔ Free Returns
✔ No Restocking Fees
✔ Financing Options Available
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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!
Required to complete the woodstove:
Fuel type : | Dry cordwood | |
Recommended heating area-ft² : (*) | 1,000 - 2,700 | |
Overall firebox volume : | 3.5 | |
EPA loading volume-ft³ : | 2.84 | |
Maximum burn time : (*) | 10 h | |
Maximum heat output (dry cordwood) : (2) | 110,000 BTU/h (32.2 kW) | |
Overall heat output rate < : (2) (3) | 18,100 BTU/h (5.3 kW) to 49,500 BTU/h (14.5 kW) | |
Average overall efficiency (EPA cribs/Douglas fir) : (3) | N.A. (HHV) (4) | N.A. (LHV) (5) |
Average overall efficiency (dry cordwood) : (3) | 71 % (HHV) (4) | 76 % (LHV) (5) |
Optimum efficiency : (6) (7) | 77 % | |
Average particulate emissions rate : (8) | 1.32 g/h | |
Average CO : (9) | 92 g/h |
(1) Values are as measured per test method, except for the recommended heating area, firebox volume, maximum burn time and maximum heat output.
(*) Recommended heating area and maximum burn time may vary subject to location in home, chimney draft, heat loss factors, climate, fuel type and other variables. The recommended heated area for a given appliance is defined by the manufacturer as its capacity to maintain a minimum acceptable temperature in the designated area in case of a power failure.
(2) The maximum heat output (dry cordwood) is based on a loading density varying between 15 lb./ft³ and 20 lb./ft³. Other performances are based on a fuel load prescribed by the standard. The specified loading density varies between 7 lb./ft³ and 12 lb./ft³. The moisture content is between 19% and 25%.
(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) Performances based on a fuel load prescribed by the standard at 7 lb/ft³ and with a moisture content between 19% and 25%.
(7) Optimum overall efficiency at a specific burn rate (LHV).
(8) This appliance is officially tested and certified by an independent agency.
(9) Carbon monoxide.
Combustion technology | Non-catalytic |
High-efficiency certified appliance | Yes, EPA 2020 approved |
Maximum log length | 22" |
Log positioning | Loading over width |
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 |
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 | 3/8" |
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 – top shelf to unit | 27" | 27" |
* 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. |
3500 Wood Insert with Large Faceplate, Brushed Nickel Faceplate Trims and Brushed Nickel Door Overlay |
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3500 Wood Insert with Large Faceplate, Black Faceplate Trims, and Brushed Nickel Door Overlay |
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3500 Wood Insert with Medium Faceplate, Brushed Nickel Faceplate Trims and Brushed Nickel Door Overlay |
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3500 Wood Insert with Medium Faceplate, Black Faceplate Trims, and Brushed Nickel Door Overlay |
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3500 Wood Insert with Large Faceplate, Brushed Nickel Faceplate Trims, and Black Door Overlay |
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3500 Wood Insert with Large Faceplate, Black Faceplate Trims, and Black Door Overlay |
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3500 Wood Insert with Medium Faceplate, Brushed Nickel Faceplate Trims and Black Door Overlay |
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3500 Wood Insert with Medium Faceplate, Black Faceplate Trims, and Black Door Overlay |
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*NOTE: Shown with required faceplate, faceplate trim, and door overlay (not included).. The faceplate, faceplate trim, and door overlay must be purchased to complete this unit.
5" Fresh Air Intake Kit --- recommended to reduce or eliminate negative pressure problems |
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Offset Liner Adaptor --- allows your flexible liner to be offset to the rear of an insert outlet. |
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Rigid Firescreen --- enhances crackle of your fire |
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Adhesives, Gaskets and Insulation
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Maintenance Products
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Meters
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Fire Starters
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We work very hard to ensure that we offer the absolute best prices online. If you find another legitimate online store that offers a lower prices on an identical item we stock (including shipping, tax, etc), we will beat the competitor's price by 10% of the difference! Please see below for complete details.
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Order Confirmation:
As soon as you place your order, you will receive a confirmation email. After that, we double-check if all items ordered are in stock and available for immediate shipment. If your order is available for the delivery within the advertised time frame, we will submit it for shipment to the warehouse. If the expected delivery time exceeds the advertised time frame, we'll reach out to you via email and/or phone to confirm the order.
Order Shipment:
Within 1 business day from the time the item has been shipped, you will receive an email confirmation with tracking number. If you would not receive tracking information within six business days of your order, feel free to follow up with us at support@usfireplacestore.com
Estimated Time of Arrival:
We typically deliver within 2-10 business days. Custom made products are usually delivered within 3-5 weeks. If the expected delivery date for your order would fall outside of the advertised 2-10 business day time frame, our customer service team will reach out to you to confirm if you are OK with that date.
Areas Covered:
All estimated delivery dates and shipping costs advertised on the website apply the the Contiguous United States only. Please contact our customer service team to discuss the time and cost of shipping to Hawaii or Alaska. We don't ship directly to Canada, but we can ship your order to the freight carrier of your choice.
Damages:
It is very important that you inspect the packaging of your items when they arrive and check if you received all boxes listed on the delivery receipt.If you notice any damage or shortage of packages, you must make note of it on the bill of lading, take pictures, andrefuse delivery.Your note should say "refused due to damage". You must also take photos of all sides of the box and send them to us within 2 days. If there are no damages visible before opening the box, you must note "subject to further inspection may contain concealed damage". If you notice any damage after receiving the delivery, do not throw the box away, and contact us with the photos. After we receive information from you about the refused delivery or concealed damage, we immediately initiate a claim with the shipping company or with the manufacturer. After the claim is fully processed, we ship all replacements at absolutely no cost to you.
Cancellations & Refunds:
We can cancel your order at absolutely no cost to you before the shipping label or Bill of Lading has been created, or before production of a custom order has started. Custom made items are not eligible for refunds after production has started. To be eligible for a return, the item must be unused and in the same condition as you received it. It must also remain in the original packaging, and the packaging must be in a perfect condition. We do not charge restocking fees or return shipping fees. All eligible returns are 100% free. Orders delivered outside the United States are not eligible for refunds. If your order arrived damaged, "Damages" section applies. Our refund policy lasts 45 days. If 45 days have gone by since your purchase, unfortunately, we can’t offer you a refund. Please contact us atsupport@usfireplacestore.com before returning an item to discuss shipping details. All refunds will be issued to the credit card or PayPal account you used for your purchase within 2 days after all returned items arrived at our warehouse.
Same-Day Order Processing
Free Returns
No Restocking Fees
Financing Options Available
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