Minimum Fireplace Dimensions
A - Inside Height =24” (610mm)
B - Inside Width = 23 1/2” (597mm) at 16 1/2” of depth
C - Inside Depth = 16 1/2” (420mm)
D - Opening Height = 24” (610mm)
E - Opening Width = 33 3/4” (857mm)
B
E
D
C
A
Maximum Fireplace Opening
Fireplace Insert Specifications for the
GI 635 DV IPI
This guide is only intended for use on-site as
a quick reference tool. Final installation must
conform to the requirements specified in the
Installation Manual included with each unit
and also available at www.jotul.us.
Fig. 1.
Fig. 2.
Cast Iron Overlay:
Will cover a maximum fireplace opening
25 3/8” high x 34 1/2” wide. (645mm x 876mm)
NOTE:
If a Backer Plate will not be used, Backerless Overlay Hanger
Kit 157802 must be installed on the insert firebox in order to attach the
Overlay assembly.
Backer Plate Options
The Backer Plate functions to neatly cover the fireplace opening be-
tween the insert shell and the fireplace walls.
Standard Backer Plates
are fabricated of 12 gauge, aluminized steel,
finished in high-temperature Matte Black powder coating.
Trimmable Backer Plates
are fabricated of 22 ga. aluminized steel fin-
ished in Matte Black paint.
Choose an overall size that is at least 1 inch larger than your fireplace
opening.
157799 3-Sided Backer Plate -28 1/4”H x 40”W
157800 3-Sided Backer Plate - 31”H x 42” W
157801 3-Sided Backer Plate - 34”H x 46”W
157826 3-Sided Trimmable Backer Plate - 38”H x 47 3/4”W
157827 4-Sided Trimmable Backer Plate - 38 5/8”H x 47 3/4”W
Intended for flush-faced fireplace installations.
Gas Inlet
CL
16 3⁄8”
416
mm
2”
51
mm
34 3⁄4”
883
mm
Glass Viewing Area
27 3⁄4” x 19 1⁄2”
705
mm
x 495
mm
8 3⁄4”
222
mm
33 1⁄4”
845
mm
14 3⁄8”
365
mm
2 3⁄4”
70
mm
23 3⁄8”
594
mm
3”
76
mm
10 3⁄4”
273
mm
25 5⁄8”
651
mm
23 5⁄8”
600
mm
23 1⁄2”
597
mm
Cast Iron Overlay
Min. 3/4” (19mm)
Air Space -
DO NOT RESTRICT
Min. 3/4” (19mm)
Air Space - DO NOT RESTRICT
Backer Plate
or
Fireplace Front
Air Inlet
CL
Exhaust
Outlet
CL
Backer Plate
or
Fireplace Front
GI 635 DV IPI Hearth Guide & Template