WALL TERMINATION KITS (CLOSE−COUPLE) EXTENDED VENT FOR GRADE CLEARANCE 2 inch (51 mm) 22G44 (US)
3 inch (76 mm) 44J40 (US)
If intake and exhaust pipe is less than 12 in. (305 mm) |
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above snow accumulation | or other obstructions, |
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field−fabricated piping must be installed. | FIELD−PROVIDED | |
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| REDUCER MAY BE REQUIRED TO ADAPT |
| 8” (203 mm) min. for 2” (51 mm) & 3” (76 mm) dia. pipe | LARGER VENT PIPE SIZE TO TERMINATION |
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WALL SUPPORT* | between the end of the exhaust pipe and intake pipe. |
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12” (305 mm) max. for 2” (51 mm) dia. exhaust |
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| 20” (508 mm) max. for 3” (76 mm) dia. exhaust |
| 12” |
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| (305 mm) |
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6” (152 mm) |
| EXHAUST |
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| 1/2” (13 mm) |
| AIR |
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| FOAM INSULATION | |
Maximum |
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| (Field−Furnished) |
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| INTAKE |
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INTAKE |
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| AIR |
| EXHAUST |
AIR |
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| AIR |
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| 5” (127 mm) |
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| 8” (203 mm) Min. | 12” (305 mm) Minimum |
| 12” (305 mm) Minimum | |
| Above Grade or Average | 5−1/2” | Above Grade or Average | ||
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| Snow Accumulation |
| Snow Accumulation | |
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| (140 mm) | ||
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| GRADE |
| GRADE | |
| 12” (305 mm) Max. for 2” (51 mm) Dia. Exhaust | *Use wall support every 24" (610). Use two supports if | |||
| 20” (508 mm) Max. for 3” (76 mm) Dia. Exhaust | extension is greater than 24" but less than 48". | |||
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FIGURE 30
WALL TERMINATION KITS (CLOSE−COUPLE) EXTENDED VENT FOR GRADE CLEARANCE 2 inch (51 mm) 30G28 (WTK Canada)
3 inch (76 mm) 81J20 (WTK Canada)
See installation instructions for additional information.
If intake and exhaust pipe is less than 12 in. (305 mm) above snow accumulation or other obstructions, field−fabricated piping must be installed.
FIELD−PROVIDED
REDUCER MAY BE REQUIRED TO ADAPT LARGER VENT PIPE SIZE TO TERMINATION
WALL SUPPORT* | 12” (305 mm) max. for 2” (51 mm) dia. exhaust |
| 20” (508 mm) max. for 3” (76 mm) dia. exhaust |
6” (152 mm) | EXHAUST |
AIR | |
Maximum |
|
6” (152 mm) | INTAKE |
Minimum | AIR |
INTAKE |
|
AIR | 5” (127 mm) |
| |
6” (152 mm) | 12” (305 mm) Minimum |
Minimum | Above Grade or Average |
| Snow Accumulation |
| GRADE |
12” |
(305 mm) |
1/2” (13 mm) |
FOAM INSULATION |
(Field Furnished) |
EXHAUST |
AIR |
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| 12” (305 mm) Minimum | |
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| 5−1/2” |
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| Above Grade or Average | ||||
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| (140 mm) |
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| Snow Accumulation | |||
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GRADE
12” (305 mm) max. for 2” (51 mm) dia. exhaust | *Use wall support every 24" (610). Use two supports if |
20” (508 mm) max. for 3” (76 mm) dia. exhaust | extension is greater than 24" but less than 48". |
FIGURE 31
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