Vermont Casting NV580 - Manual (Page 9)

9
NV360/580 Series
20003565
FP567a
8' VENTING RUNS
12/00
Venting Runs
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
8 9 10 11 12 1 2 3 4 5 6 7
Horizontal Run (in feet)
Vertical Run (in feet)
A
A: Vertical installations up to 40 feet (12m) in
height. Up to an 8 ft. horizontal vent run can be
installed within the vent system using a
maximum of two (2) 90-degree elbows or four (4)
45-degree elbows.
B: Vertical installations up to 40 feet (12m) in
height. Up to a 12 ft. horizontal vent run can be
installed within the vent system using a
maximum of two (2) 45-degree elbows.
B
= Acceptable venting configuration
= Unacceptable venting configuration
FP567a
Table 1 Venting configurations.