SECTION 9: V
ENTING
19 of 29
• Vent m
u
st terminate at least 3' (1 m) abo
v
e any
forced air inlet located
w
ithin 10' (3 m).
• Vent m
u
st terminate at least 4' (1.2 m) belo
w
, 4'
(1.2 m) horizontally from, or 12" (30 cm) abo
v
e
any door,
w
indo
w
or gra
v
ity air inlet into b
u
ilding.
• Locate
v
ent terminal at least 12" (30 cm) from any
opening thro
u
gh
w
hich
v
ent gases co
u
ld enter a
b
u
ilding.
• Use only corrosion resistant materials for the
discharge line from the p
u
mp to the point of
discharge.
• Vent terminal opening m
u
st extend beyond any
comb
u
stible o
v
erhang.
• Install
v
ent terminal at a height s
u
fficient to
pre
v
ent blockage by sno
w
.
• Protect b
u
ilding materials from degradation by fl
u
e
gases.
• Any portion of fl
u
e pipe passing thro
u
gh a
comb
u
stible
w
all m
u
st be d
u
al ins
u
lated and an
appro
v
ed thimble m
u
st be
u
sed.
FIGURE 15: Horizontal Ventin
g
and Silicone Rubber Rings
Description
Part Number
Description
Part Number
Bird Screen 4'' (10 cm)
01365400
Flexible Boot, 4" (10 cm)
91412801
Bird Screen, 6'' (15 cm)
01397400
Silicone R
u
bber Rings
91906900
Band Clamp, 4'' (10 cm)
91901300
Band Clamp, 6'' (15 cm)
91913703