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Fig. # 17 | TERMINATION |
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| VENTING CHART |
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| A | B | C | D |
| Pipe length | |||
| Minimum rise | Pipe length | Maximum run | |
| Maximum | |||
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| 68 1/2” | 24” | 18" | 1' |
| 74 1/2” | 30” | 76" | 5' |
| 80 1/2” | 36” | 11' 2 1/8" | 10' |
| 86 1/2” | 42” | 16' | 15' |
| 92 1/2” | 48” | 20’ 10 1/4” | 20' |
| For other rise/run combinations see chart below | |||
24" Pipe length minimum
NOTE: The vent must not exceed a total length of 68 feet. Any combination of rise and run may be used but must be constrained to the boundaries of this chart. A total of 3 90° elbows or combination of other elbows equalling 90° can be used without reducing horizontal run. For each additional 90° elbow, or an equal combination of elbows, reduce horizontal vent run by 2 feet. Ensure vent pipe is properly supported.
*Minimum Vent Pipe Centerline Height
36ARB2 13 |
