190 June 2007 Regency Product Specifications BookWood InsertsWood InsertsI3100 Wood InsertI3100 Large Wood InsertMinimum Fireplace OpeningHeight 25” (635mm)Width 28” (711mm)Depth 17” (432mm)Faceplate DimensionsStandard 44” (wide) x 32” (height)Oversize 50” (wide) x 34.5” (height)Dimension Description I3100A Adjacent Side Wall (to side) 13” (330mm)B Mantle (to top)** 19” (480mm)C Top Facing (to top) 18” (455mm)D Side Facing (to side) 6-1/2” (165mm)E Minimum Hearth Extension* 16” (406mm)F Minimum Heath Thickness* 1-1/2” (38mm)G Minimum Hearth Side Extension 8” (205mm)Side and Top facing is a maximum of 1-1/2" thick.Floor protection must be non-combustible, insulating material with anR value of 1.1 or greater.* If the hearth extension is flush with the floor (F) it must extend19-1/2" in front of the body face (E).Note: Hearth Extension Width (G) is measured from edge of fueldoor to side of hearth.** A non-combustible mantel may be installed at a lower height if theframing is made of metal studs covered with a non-combustibleboard.3-7/8"to frontface1-3/8"I3100 Di i32-5/16"27-3/4"12-7/8"6-7/8"3-1/8"9-7/8"6" Dia.FlueFaceplate16"27-1/2"Firebox height is 22-3/4" at highest point