1800 Wood Insert

Model: #OS-1800-WI

Brand: Osburn

Like their cousins in the 1800/2200 freestanding series, the 1800 series inserts offer the same tried-and-tested architecture and the same great features, including a magnificent view of the fire through the bay window. They are also equipped with a powerful blower, transforming your old, inefficient fireplace into a highly effective heating system.

The 1800 series insert is both practical and elegant, and is a perfect choice for your living room or basement fireplace.

Appliance Performance

Fuel Type Dry cordwood
Recommended heating area (sq.ft.): 500 - 1,800
Firebox nominal volume (cu. ft.): 1.8
Maximum burn time: 6 h
Maximum heat output (dry cordwood): 65,000 BTU/h (19.0 kW)
Overall heat output rate (min. to max.): 9,700 BTU/h (2.8 kW) to 36,300 BTU/h (10.6 kW)
Average overall efficiency (EPA cribs / Douglas fir): 66.0 % (HHV)
71.0 % (LHV)
Average overall efficiency (dry cordwood): N.A. (HHV)
N.A. (LHV)
Optimum efficiency : 75 %
Average particulate emissions rate: 2.8 g/h
Average CO: N.A.

General Features

High-efficiency EPA certified appliance Yes
Maximum log length 16"
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 307 lb (139 kg)
Door type Single, glass with steel frame
Glass type Ceramic glass
Glass surface – dimensions (Width X Height) 22 3/4" X 9 3/8"
Glass air-wash system Yes
Premium quality blower included (CFM) 90
Overall dimension (Height) 20 3/8"
Overall dimension (Width) 30"
Overall dimension (Depth) 25 3/8"
Door opening – dimension (Height) 8 1/2"
Door opening - dimension (Width) 18 3/8"
Firebox – dimension (Height) 11 1/2"
Firebox – dimension (Width) 16 7/8"
Firebox – dimension (Depth) 14 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 5/16"
Fireplace opening – minimum (Height) 20"
Fireplace opening – minimum (Width) 23 3/8"
Fireplace opening – minimum (Depth) 14 3/8"
USA standard (emissions) EPA
Canadian Standard (emissions) CSA B415.1-10
USA standard (safety) UL 1482
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)

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 10" 10"
Clearance – combustible top mantle to unit 14" 14"
Clearance – combustible side wall to unit 17" 17"
Clearance – minimum floor protection in front of the appliance 18" 16"
Clearance – top shelf to unit 22" 22"

Call Us

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