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FIG. 5
Using Adjacent Stud Space
for All Combustion Air From Outside
Holes Connecting to Ventilated Attic
Holes Connecting to Ventilated Crawl Space
FIG. 6
1018029-A
Ceiling
Plate
Air
Grille
Floor
Plate
4" Minimum
4" Minimum
LOCATION AND SPECIAL PRECAUTIONS
The wall furnace should be located near the center of the
area to be heated for optimal heat distribution.
If the wall furnace is installed directly on carpeting, tile or
any combustible material other than wood flooring, the wall
furnace shall be installed on a metal plate or wood panel
secured to the floor, extending the full width and depth of
the wall furnace.
If a side or rear register kit is to be installed, see figures
17–20 (On pages 18 and 19).
Based on 4,000 BTU of total input rating of all gas
appliances, the heater only requires a minimum free area of:
BTU
SQ. IN.
25,000
06.25
35,000
08.75
40,000
10.00
50,000
12.50
55,000
13.75
65,000
16.25
ROUGH-IN INSTRUCTIONS
In selecting a location for installation, it is necessary to
provide adequate accessibility clearances for servicing
and proper operation. Minimum clearance from cabinet to
combustible construction:
Side Wall - 4"
See Figure 6. The unit may be recessed and rest directly
against side studs and the inside surface of the rear wall.
Page 8
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HOLE SIZE
SQ. IN.
1.00"
0.785
1.50"
1.760
1.75"
2.400
2.00"
3.140
2.50"
4.900
3.00"
7.065
Floor - 0"
Ceiling - 4"
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