Use and Care Manual

35
For Flex Vent 2 in. Conversion Kit
This Water Heater is suitable only for vertical
vent.
WARNING
*
About the termination
To prevent excessive condensation
formation, only the vent
termination should be located on
the exterior of the building.
≥ 3 ft Min.
*
When the vent termination
is located not less than 8 ft
(2.4 m) from a vertical wall
or similar obstruction,
terminate above the roof at
least 2 ft (0.6 m), but not
more than 6 ft (1.87 m), in
accordance with the
National Fuel Gas Code
ANSI Z223.1/NFPA 54 or
Natural Gas and Propane
Installation Code CSA
B149.1.
Roof Flashing
Storm Collar
When the vent penetrates
a floor or ceiling and is not
running in a fire rated shaft, a
firestop and support is required.
Round 3 in. or 4 in. B-Vent
used as chase for 2 in.
flexible PP pipe
Firestop
The aluminum flex pipe serves
as protection against damage.
Exhaust
2 in. Flexible
PP pipe
Support
Intake
Flex Vent 2 in.
Conversion Kit
(EZ2-CK)
The combustion
air intake of any
appliance
Any other building
opening
Venting the Water Heater