Whirlpool T-K2 - Manual (Page 14)

Exhaust Venting
This water heater must be vented in
accordance with the section on venting of
equipment in the latest edition of the National
Fuel Gas Code.
This is a Category III appliance, and must be
vented accordingly. The following are UL
listed manufacturers: ProTech Systems
FasNSeal, Z-Flex Inc. Z-Vent II and Heat-Fab
Inc. Saf-T Vent. This unit requires 4” vent pipe.
Connect the vent pipe to the unit so that it is
sealed airtight. Follow the vent pipe
manufacturer’s instructions when installing the
vent pipe. Do not common vent this appliance
with any other vented appliance.
The venting system must not exceed a length
of 35 ft. minus 5 ft. for every elbow. Do not
use more than 3 elbows.
No. of Elbows Max. Vertical or
Horizontal Length
0 35 ft.
1 30 ft.
2 25 ft.
3 20 ft.
If the horizontal vent run exceeds 5 ft., the
following criteria must be observed:
•
There must be a 2” vertical run off the
top of the heater before the horizontal
run begins.
•
The horizontal run must be supported
at 3’ intervals.
•
The vent run should be pitched up
towards the termination at ¼” per foot.
The unit can be vented either up and out the
roof, or directly through a wall. If the unit will
be vented through a wall, use Takagi USA Inc.
optional part, the TK-TV01 vent terminator, or
an equal Category III vent part. Locate the
vent terminator according to ANSI
Z223.1/NFPA 54 and applicable local codes.
Maintain the following clearances to any
combustible surface in an indoor installation:
Indoor Clearances
Piping side 6”
Front (Maintenance
space)
Suggested 24”
Min. 4”
Floor Noncombustible base
Back of heater 1”
Non piping side 2”
Top of heater 12”
Manufactured Home (Mobile Home)
Installation
This appliance must be installed in
accordance with the Manufactured Home
Construction and Safety Standard, (Title 24,
CFR; Part 3280) and ANSI A119.5/NFPA
501D. In addition, install in accordance with
the following instructions, the instructions
supplied with any venting, local codes, utility
company requirements for the installation of
water heaters in manufactured homes (mobile
homes), and the latest edition of the National
Fuel Gas Code, ANSI Z221.3/NFPA 50.
Locate the heater in an enclosure separating
the unit from the internal atmosphere of the
manufactured home or trailer. All combustion
air must be obtained from the outside
atmosphere, and the flue gases must be
discharged directly outdoors through a gas
vent. There must be no opening from the
interior of the home or trailer into the water
heater enclosure.
Indoor Installation
Follow indoor installation instructions as set
out in an earlier section of this manual, except
that combustion air must not be taken from the
inside of the home or trailer.
Outdoor Installation
Follow outdoor installation instructions as set
out in an earlier section of this manual.
If the unit is to be installed in a recessed area,
connect a gas vent to the unit, which will direct
exhaust gases out of the recessed area.
Min. 32"
Min. 3"
Indoors Outdoors
Min. 3"