Fireplace Size Requirements; Minimum Fireplace Opening - Heat & Glo GRAND-I35 Owner's Manual

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Fireplace Size Requirements

A. Minimum Fireplace Opening
Minimum fi replace opening requirements for a standard 3/4
inch deep surround are shown in Figure 5.1. For smaller
openings, an optional 1-1/2 inch deep surround is available
and dimensions are shown in Figure 5.2.
WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.
Due to high temperatures, the appliance should be locat-
ed out of traffi c and away from furniture and draperies.
• The fi rebrick (refractory), glass doors, screen rails, screen
mesh and log grates can be removed from a factory
built fi rebox in order to gain minimum gas insert opening
requirements.
TOP VIEW
Location
A Rear Width
B Front Width
C Glass Opening Width
D Glass Opening Height
E Height-Front
F Height-Rear
G Unit Depth
H Venting Depth
Height to Top of
I
Glass Frame
* Note: If exhaust collar on insert and fi replace damper do not line up, add 4 inches (102 mm) to minimum
fi replace height for bends in vent pipe.

Figure 5.1 Fireplace Opening
Heat & Glo • Grand-I35, Grand-I35-SP, Supreme-I30, Supreme-I30-SP • 2206-900 Rev. C • 8/10
A
G
H
B
MINIMUM FIREPLACE SIZE
31-9/16
15-11/16
21-1/16
15-13/16
• Any smoke shelves, shields and baffl es may be removed
from the factory built fi rebox if attached with mechanical
fasteners.
• The metal fl oor of the solid fuel fi rebox may be removed to
facilitate the installation of the insert. The appliance may
not be placed directly on the base of the outer wrap, a 1/4
inch airspace must be provided between the insert and
the fl oor of the outer wrap. Use the levelling legs to raise
the insert a minimum of 1/4 inch. The original fi replace
may never be returned to solid fuel in this condition.
The sidewalls and top structure of the fi rebox may not
be altered with the exception of removable baffl es and
dampers.
• Cutting of any sheet metal parts of the fi replace in which
the gas fi replace insert is to be installed is prohibited,
except the fl oor as tested for and as noted above.
FRONT VIEW
C
E
I
GRAND-I35
Inches Millimeters
23-1/2 597
34-5/8 879
802
398
24 610
535
386
10-1/2 267
22 559
In addition to these dimensions, also reference Clearances
and Mantel Projections (Section 5.B).
SIDE VIEW
D
SUPREME-I30
Inches Millimeters
20-1/4 514
30-1/2 775
27-7/16 697
12-13/16 325
20-1/2 521
17-5/8 448
14-5/8 371
9-1/2 241
18-1/4 464
F
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