18
Products (800-423-4270). Pipe joints must be positively
sealed. Follow the vent manufacturer’s installation
instructions carefully.
Outdoor Installation
A 5" (127 mm) length of 4" schedule 40 PVC pipe and a
4" schedule 40 PVC Tee are provided for typical outdoor
installations. If needed additional vent may be added to
locate the vent discharge away from the appliance. The
venting must not exceed the lengths listed in
Table I
. When
additional venting is supplied, the vent must be supported
and traps installed. In cold climates, it may be necessary
to insulate the additional venting.
Care must be taken when locating the heater outdoors,
because the flue gases discharged from the flue termination
can condense as they discharge. Improper location can
result in damage to adjacent structures or building finish.
For maximum efficiency and safety, the precautions on
page 20 must be observed:
1.
Periodically check venting system. The heater’s
venting areas must never be obstructed in any way
and minimum clearances must be observed.
NOTE:
Remove the unused gaskets from the 3 in 1
appliance vent adapter. For example, when using the
supplied PVC vent pipe remove the inner two gaskets.
See Figure 13.
NOTE:
Condensate can freeze on the flue termination.
Frozen condensate on the flue termination can result in
a blocked flue condition.
D-11 FLUE EXHAUST
VENT CAP WITH
BIRD GUARDS
F10328
Figure 12. Outdoor Venting
TEST PORT
3 O-RING
GASKETS
REMOVE O-RING
WHEN INSTALLING
PVC/CPVC PIPE
REMOVE O-RING
WHEN INSTALLING SST
OR PVC/CPVC PIPE
Figure 13. Multi-Vent Adapter
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