25
25
Min. 6” rise
for top outlet
817VAK adapter:
required for top outlet;
required for rear outlet
except
when connecting the 551DVK
terminal directly to the appliance.
Max. 24” before
elbow
Min. 12” rise
45° elbow directly
on flue collar is
allowed with min. 6”
pipe between elbows
1” min.
all around
vertical pipe
3” min.
above top of
horizontal pipe
1” min. around
bottom & sides of
horizontal pipe
V1
V2
V3
H1
H2
4 x 90º ELBOWS MAXIMUM
(or equivalent)
Co-Axial Venting Con
fi
gurations with Vertical Rise
Example 1
V Value = V1 (6’) + V2 (6’) + V3 (2’)= 14’
H Value = H1 (3’) + H2 (3’) = 6’
Co-Axial Venting
QUALIFIED
INSTALLER
