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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 ≥ 8 ft (2.5 m) OR the vent pipe passes through an
unheated space (below 60F).
B A condensate trap must be used for any vertical
exhaust vent installations ≥ 2 ft.
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.
The venting materials and accessories
i
required to properly install the water
heater are available from CEC and their
distributors.
Fig. 17 Horizontal side wall venting installation
(combustion air piping not being shown)
14
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)
6 720 607 072 (16 January)
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