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FIGURE 3C
W42A1, W42L1, W48A1, W48L1, W60A1, W60L1, W70A1, W70L1
MOUNTING INSTRUCTIONS
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REQUIRED DIMENSIONS TO MAINTAIN | 30 1/2 | 10 1/2 | 6 1/4 | 1 1/4 | 29 3/4 |
1/4" MIN. CLEARANCE FROM |
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COMBUSTIBLE MATERIALS |
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REQUIRED DIMENSIONS TO MAINTAIN | 32 | 12 | 5 1/2 | 2 | 29 |
RECOMMENDED 1" CLEARANCE FROM |
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COMBUSTIBLE MATERIALS
SEAL WITH BEAD OF CAULKING ALONG ENTIRE LENGTH OF TOP.
TOP
WALL
RAIN FLASHING
SUPPLIED
FOAM AIR SEAL
WALL STRUCTURE
1/4" CLEARANCE ON ALL FOUR SIDES OF SUPPLY AIR DUCT IS REQUIRED FROM COMBUSTABLE
D
16"
16"
16"
C
A 
C
Supply Opening | B | |
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E
Return Opening | 16" |
HEATER ACCESS PANEL
MATERIALS
SUPPLY AIR
DUCT
RETURN AIR
OPENING
1 |
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16" |
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6 21 " | 30" |
NOTES:
1
16"
3"
1"
3 | 1 | " |
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4" |
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IT IS RECOMMENDED THAT A BEAD OF SILICONE CAULKING BE PLACED BEHIND THE SIDE MOUNTING FLANGES AND UNDER TOP FLASHING AT TIME OF INSTALLATION.
7
1 8 " 
6 12 "
4"
Typ.
6 12 "
2 18 "
W**A UNIT SHOWN, W**L UNIT CONTROLS AND HEATER ACCESS IS ON OPPOSITE (LEFT) SIDE.
1Dimension is 21" on W70A and W70L Units.
Wall Opening and Hole Location View | Right Side View |
