The Osburn 1700 must be installed in a masonry fireplace and is a compact yet powerful insert, perfect for heating mid-sized spaces. With low emissions (2.4 g/h) and EPA 2020 approval, it combines eco-friendly performance with lasting durability. Built with high-density firebricks, a cast iron door, and a quiet 144 CFM blower, the 1700 offers reliable comfort and ambiance for years to come. Customize the look with door overlays, faceplates, and trims in black or brushed nickel.

Key Specs:

• Heating area: 500 – 1,800 ft²
• Firebox volume: 1.86 ft³ (1.44 ft³ EPA tested)
• Max burn time: 7 hours
• Max heat output: 65,000 BTU/h
• Efficiency: 68% (HHV), up to 76% optimal
• Emissions: 2.4 g/h
• Max log length: 18" (loading over width)
• Chimney: 6" diameter, 15' minimum height
• Blower: 144 CFM (included)
• Glass dimensions: 15 ¾" × 9 ⅜"
• Dimensions (W × H × D): 27 ⅛" × 21 ¼" × 22 ⅜"
• Firebox (W × H × D): 19 ⅝" × 11 ⅞" × 13 ½"
• Fireplace opening (min): 27 ½" W × 21 ½" H × 12 ⅞" D
• Lining: Refractory bricks, stainless-steel secondary-air system
• Door: Single, cast iron with ceramic glass
• Warranty: Limited lifetime