1100 Wood Insert

Model: #OS-1100-WI

Brand: Osburn

The 1100 insert is the ready-made solution for smaller stone fireplaces. With its back face at a 45° angle, it offers a wide range of configurations.The floor of its firebox is 2.5 inches deep, allowing greater accumulation of ashes and cleaner use.

The 1100 insert also comes with a powerful 144 CFM blower. You'll be amazed and delighted by the 50,000 BTU/h of heat it provides!

Appliance Performance

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Fuel Type Dry cordwood
Recommended heating area (sq.ft.): 250 - 1,400
Firebox nominal volume (cu. ft.): 1.5
Maximum burn time: 6 h
Maximum heat output (dry cordwood): 50,000 BTU/h (14.6 kW)
Overall heat output rate (min. to max.): 11,000 BTU/h (3.2 kW) to 35,000 BTU/h (10.2 kW)
Average overall efficiency (EPA cribs / Douglas fir): 70.0 % (HHV)
75.0 % (LHV)
Average overall efficiency (dry cordwood): N.A. (HHV)
N.A. (LHV)
Optimum efficiency : 75 %
Average particulate emissions rate: 2.9 g/h
Average CO: N.A.

General Features

High-efficiency EPA certified appliance Yes
Maximum log length 17"
Log positioning Over width
Chimney diameter 6"
Type of chimney CAN/ULC S629, UL 103 HT (2100 °F)
Minimum chimney height (feet) 15'
Baffle type C-Cast
Approved for an alcove installation N.A.
Approved for a mobile home installation No
Shipping Weight 297 lb (135 kg)
Door type Single, glass with cast iron frame
Glass type Ceramic glass
Glass surface – dimensions (Width X Height) 15" X 8 3/8"
Glass air-wash system Yes
Premium quality blower included (CFM) 144
Overall dimension (Height) 21 1/8"
Overall dimension (Width) 25 1/2"
Overall dimension (Depth) 22 1/4"
Door opening – dimension (Height) 8 3/8"
Door opening - dimension (Width) 15 5/8"
Firebox – dimension (Height) 11 1/2"
Firebox – dimension (Width) 18 1/8"
Firebox – dimension (Depth) 12 5/8"
Firebox lined with refractory bricks for better heat distribution Yes
Stainless-steel secondary-air system improving gas combustion Yes
Adjustable threaded legs Yes
Steel thickness – body 3/16"
Steel thickness – top 3/16"
Fireplace opening – minimum (Height) 21 3/4"
Fireplace opening – minimum (Width) 26"
Fireplace opening – minimum (Depth) 12 7/8"
USA standard (emissions) EPA Method 28
Canadian Standard (emissions) CSA B415.1-10
USA standard (safety) UL 1482
Canadian standard (safety) ULC S627
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)

Canada United States
Clearance – top
(measured from the platform on
which the appliance is installed)
N.A. N.A.
Clearance – combustible side mantle to unit 9" 9"
Clearance – combustible top mantle to unit 27" 27"
Clearance – combustible side wall to unit 13" 13"
Clearance – top shelf to unit 27" 27"
Clearance – minimum floor protection in front of the appliance 18" 16"
Clearance – minimum floor protection under the appliance 18" 16"

Call Us

If you have any questions, or you're ready to place your order, give us a call at (440) 293-4622