Osburn 1700 Wood Insert OB01705

Osburn 1700 Wood Insert OB01705 – High-Efficiency Wood Insert for Modern Fireplace Upgrades

How does the Osburn 1700 Wood Insert OB01705 enhance both the efficiency and appearance of my current fireplace?

Transform your existing fireplace into an efficient heating source with the Osburn 1700 Wood Insert OB01705. Perfect for medium-sized spaces, this EPA-certified insert offers reliable warmth with a modern look and eco-conscious performance. Designed to heat areas from 500 to 1,800 square feet, it delivers up to 65,000 BTU/h of comforting heat. The 1.86 cubic foot firebox accommodates 18-inch logs and provides up to 7 hours of burn time, reducing the need for frequent refueling. Its cast iron-framed glass door not only ensures durability but also creates a beautiful view of the fire. With an overall efficiency of 73%, this insert is both a powerful and sustainable choice for homeowners seeking performance and aesthetics.

Note: A faceplate extension is included with this unit for installation in most hearths.

Also Available in Osburn 1700 Wood Insert w/ 5.5"x25' Forever Flex Liner Kit OB01705K Model.

Required Accessories

• Black or brushed nickel door overlay
• Faceplate kit: Regular (29" x 44") or Large (32" x 50")
• Black or brushed nickel faceplate trims

Why choose Osburn?

Osburn products are crafted with a focus on efficiency, longevity, and style—providing dependable heating solutions that blend innovative design with premium materials for lasting comfort and value.

Key Features

• Fuel type: Dry cordwood (16" recommended)
• Recommended heating area-ft²:  500- 1,800
• Overall firebox volume-ft³: 1.9
• EPA loading volume-ft³: 1.44
• Maximum burn time:  6 h
• Maximum heat output-dry cordwood: 65.000  BTU/h (13.19 kW)
• Overall heat output rate : 15,650 BTU/h (4.6 kW) to 23,300 BTU/h (6.83 kW)
• Average overall efficiency (dry cordwood) : 70% (HHV) 75% (LHV)
• Optimum overall efficiency: 78%
• Optimum heat transfer efficiency:  74%
• Average particulate emissions rate:  1.26 g/h
• Average CO:  58 g/h

Manuals for 1700 Wood Insert OB01705

• Installation and Owner's Manual for Osburn 1700 Wood Insert OB01705
• Specification Sheet for Osburn 1700 Wood Insert OB01705

Specifications for Osburn 1700 Wood Insert OB01705

• Combustion technology: Non-catalytic
• High-efficiency certified appliance: Yes, EPA 2020 approved
• Maximum log length: 18"
• Log positioning: Loading over the 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 or equivalent
• Approved for a mobile home installation: No
• Shipping Weight: 361 lb (164 kg)
• Door type: Single, glass with cast iron frame
• Glass type: Ceramic glass
• Glass surface – dimensions (Width X Height): 15 3/4" 9 3/8
• Glass air-wash system: Yes
• Premium Quality Blower Included (CFM): 144
• Overall dimension: (Height) 21 1/4" (Width) 27 1/8" (Depth) 22 3/8"
• Door opening – dimension: (Height) 8 3/4" (Width) 17 1/4"
• Firebox – dimension: (Height) 11 7/8" (Width): 19 3/4" (Depth): 13 1/2"
• 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- Minumum: (Height): 21 1/2" (Width): 27 1/2" (Depth) 12 7/8"
• 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)

United States

• Clearance - top ( measured from the platform on which the appliance is installed) - 84"
• Clearance - Combustible side mantle to unit - 9"
• Clearance - Combustible top mantle to unit - 27"
• Clearance - Combustible side wall to unit - 16"
• Clearance - from the top of the insert to the shelf - 27"

The information given on the certification label affixed to the appliance always overrides the information published in any other media (owner's manual, catalogs, flyers, magazines, and/or websites).

Note: Some appliances have been tested with a low ceiling. Before setting up your unit, refer to the installation manual.