Venting
Venting Confi gurations—With Vertical Rise
4 x 90º ELBOWS MAXIMUM
(or equivalent)
Min. 6" rise
for top outlet
V1
817VAK adapter:
required for top
or rear outlet.
18
above top of
horizontal pipe
1" min.
all around
vertical pipe
V2
H1
Max. 24" before
elbow
3" min.
H2
1" min. around
bottom & sides of
horizontal pipe
Min. 12" rise
45° elbow directly
on flue collar is
allowed with min. 6"
pipe between elbows
Example 1
Value V = V1 (6') + V2 (6') + V3 (2')= 14'
Value H = H1 (3') + H2 (3') = 6'
V3
Co-axial