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Installation Instructions (cont'd)
Venting
_WARNING
To insure proper venting of this gas-fired water
heater, the correct vent pipe diameter must be uti-
lized. Any additions of other gas appliances on vent
with this water heater will adversely affect the oper-
ation of the water heater.
The combustion alld ventilation air flow must not be obstructed.
AWARNING
The power vent water heater requires its own (sepa-
rate) venting system. It cannot be connected to an ex-
isting vent pipe or chimney. It must be terminated to
the outdoors. Failure to properly install the venting sys-
tem can result in asphyxiation, a fire or explosion and
can cause DEATH, SERIOUS BODILY INJURY, OR
PROPERTY DAMAGE.
&WARNING
Chemical vapor corrosion of the flue and vent sys-
tem may occur if air for combustion contains certain
chemical vapors. Spray can propellants, cleaning sol-
vents, refrigerator and air conditioner refrigerants,
swimming pool chemicals, calcium and sodium chlo-
ride, waxes, bleach, and process chemicals are typi-
cal compounds which are potentially corrosive.
\
STRAPPING
WARN I NG pre-
Obstructed or deteriorated vent systems may
sent a serious health risk or asphyxiation.
Horizontal runs must be securely supported at 3V2foot intervals
and vertical runs supported at 5 foot intervals.
_, WARN I NG slope
The vent pipe from the water heater must
upward % inch per five linear feet.
MI vent gases must be completely vented to the outdoors of the
structure (dwelling).
MIN. RISE½'
PERFIVEFEET
AWARNING I
Failure to have required clearances between water I
heater and combustible material will result in a fire
hazard.
&WARNING I
Be sure vent pipe is properly connected to prevent I
escape of dangerous flue gases which could cause
dead y asphyx at on.
VENTING THROUGH AN OUTSIDE WALL
ALL MODELS
3" PVC, ABS or CPVC Schedule 40 vent piping:
1. A Y" PVC Schedule 40-45 ° vent cap with wire screen is sup-
plied with the water heater.
2. A 3 I VC, ABS or CPVC Schedule 40-90 ° street ell; used to
connect the vent pipe to the water heater when the vent pipe
is to be turned horizontally directly off" the blower (supplied
locally).
3. 3 _tVC, ABS or CPVC Schedule 40 pipe (must be supplied
locally).
3" PVC,ABSORCPVC
SCHEDULE
4ogOOELOOW t
3" PVC,ABSOR CPVC
SCHEDULE40 PiPE VENTCAP
WITH
SCREEN
• The water heater requires its own (separate) venting system.
• 3 I VC, ABS or CPVC Schedule 40 piping and fittings are
acceptable materials for the vent system on all models.
• It cannot be connected to existing vent piping or chimney.
• It must terminate horizontally to the outdoors.
17