Osburn 1700 Wood Insert (OB01705), EPA 2020 certified wood-burning appliance from the Osburn 2026 Tri-State Distributors price list (effective March 1, 2026). Fits masonry fireplace openings as shallow as 12 7/8" deep, rated up to 65,000 BTU/h at roughly 75-78% efficiency, with a 144 CFM blower included. 1.9 ft³ firebox accepts logs up to 18 in; ceramic glass door with air-wash and cast iron frame. Recommended heating area: 500 - 1,800 ft². Maximum burn time: 6-7 h. Required: select your Door Overlay and Faceplate Size and Faceplate Trim below — these are separate, required components priced individually and must be chosen to complete checkout; they are not included in the base price shown here.