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Appliance details
Supporting the exhaust vent system and the use
of an external condensate trap
External condensate traps
B A condensate trap must be used in any sidewall
exhaust vent installations when the total vent length
is ≥ 5 ft (1.5 m) OR the vent pipe passes through an
unheated space (below 60F).
B A condensate trap must be used for any vertical
exhaust installations. See Drain Tee position options
in Fig. 19 and Fig. 20.
B When installing the condensate tube at the bottom of
the drain tee, be sure to form a trap by means of a 3"
(76.2 mm) loop filled with water. This tube must be
3/8" ID high temperature silicone for at least the first
6 inches (152 mm) and attached with a gear clamp
or hose clamp. The condensate must be disposed of
according to local regulations.
Fig. 17 Horizontal side wall venting installation
(combustion air piping not being shown)
A condensate trap (drain tee) must be used in any side
wall installation if the total exhaust vent length is greater
than or equal to 5 feet (1.5 m).
Fig. 18 Above the roof clearance requirements from
rain cap (combustion air piping not being
shown)
Fig. 19 Vertical venting installation (combustion air
piping not being shown)
A condensate trap (drain tee) must be used for any
vertical exhaust vent installation. The condensate trap
should be positioned as near to the top of the heater as
possible.
i
The venting materials and accessories
required to properly install the water
heater are available from CEC and their
distributors.