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 | FIGURE 3B | 
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 | W30A2, W30L2, W36A2, W36L2 | 
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 | MOUNTING INSTRUCTIONS | 
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 | A | B | C | D | 
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 | E | SEAL WITH BEAD | 
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| REQUIRED DIMENSIONS TO MAINTAIN | 
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 | OF CAULKING ALONG | 
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 | ENTIRE LENGTH OF TOP. | RAIN FLASHING | ||||
| 1/4" MIN. CLEARANCE FROM | 28 3/8 | 8 3/8 | 5 3/8 | 3 11/16 | 17 5/8 | 
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| COMBUSTIBLE MATERIALS | 
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| REQUIRED DIMENSIONS TO MAINTAIN | 9 7/8 | 4 5/8 | 4 7/16 | 16 7/8 | TOP | FOAM AIR SEAL | |||||
| RECOMMENDED 1" CLEARANCE FROM 29 7/8 | 
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| COMBUSTIBLE MATERIALS | 
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 | WALL STRUCTURE | |
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 | WALL | 
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 | 1/4" CLEARANCE ON ALL | 
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 | FOUR SIDES OF SUPPLY | 
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 | AIR DUCT IS REQUIRED | 
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 | FROM COMBUSTABLE | 
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 | Supply Opening | 
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 | HEATER ACCESS | SUPPLY AIR | ||
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| 12" | 
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 | PANEL | DUCT | 
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| 12" | 
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| 12" | 
 | Return Opening | 
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 | RETURN AIR | ||
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 | OPENING | 
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| 12" | 
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 | 3 1 | " | 
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 | 2 87 " | 8 | 4" | 
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 | 7 | 
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 | NOTES: | 
| 12" | 87 " | 
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 | IT IS RECOMMENDED THAT A BEAD OF | |||
| 5 1 | " | 8 " | 
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 | SILICONE CAULKING BE PLACED BEHIND | 
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 | THE SIDE MOUNTING FLANGES AND UNDER | ||
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 | 4" | 
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 | TOP FLASHING AT TIME OF INSTALLATION. | 
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| 4 | 11 | Typ. | 
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 | 11 | " | 
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 | W*R UNIT SHOWN, W*L UNIT | 
| 16 " | 
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 | 4 16 | 
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 | CONTROLS AND HEATER ACCESS | ||
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 | IS ON OPPOSITE (LEFT) SIDE. | 
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 | WallOpening andHoleLocationView | 
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 | Right SideView | |||||
