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Trap
UL Listed Cap
Required
Condensate tee and
trap must be installed.
Take the condensate to
a floor drain or a
condensate pump.
B type double wall vent with
double wall connectors required
for category I appliances.
Limitations on horizontal
distance when venting with B
vent
BH type double wall vent with
double wall connectors required
and all joints are to be air and
water tight. BH vent is a category
III appliances
Flashing
4" minimum air
space required
B or BH type vent using double wall vent
with double wall connectors is required.
Reference local and/or national codes
before installation of the vent.
Condensate tee
required
Steam Outlet
Exhaust venting
outlet
Horizontal run
1/4"rise per ft
2 FT Min
3” Min.
Wall
Hangers Straps
Condensate
Tee
Condensate tee and trap
must be installed. Take
the condensate to a floor
drain or a condensate
pump.
BH type vent using double wall vent
with all joints being air and water tight.
Reference local and/ or national
codes before installing vent
Trap
BH type double wall vent with double wall
connectors is required for category III appliances
Note: These are guidelines only, follow the local and/or national codes in your respective area.
Steam Outlet
Exhaust venting outlet
Nortec vent terminal
2 ft Min.
3” Min.
Figure #7
Vertical Venting Application Using B or BH Venting
Figure # 8
Side Wall Venting Application Using BH Type Only