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3
1
⁄2'
STRAPPING
Installing the New Water Heater (cont’d)
14
Horizontal runs must be securely supported at 3
1
⁄2 foot
intervals and vertical runs supported at 5 foot intervals.
Venting (cont’d)
WARNING
Be sure vent pipe is properly connected to prevent
escape of dangerous flue gases which could cause dead-
ly asphyxiation.
WARNING
Chemical vapor corrosion of the flue and vent system
may occur if air for combustion contains certain chem-
ical vapors. Spray can propellants, cleaning solvents,
refrigerator and air conditioner refrigerants, swimming
pool chemicals, calcium and sodium chloride, waxes,
bleach and process chemicals are typical compounds
which are potentially corrosive.
VENTING THROUGH AN OUTSIDE WALL
A. ALL 75 GALLON MODELS AND 50 GALLON 65,000
BTU/HR MODELS
In the carton is supplied:
1. Two 3″ inlet and outlet PVC Schedule 40 - 45° vent caps.
2. A 3″ ABS Schedule 40 - 90 street ell; used to connect the out-
let vent pipe to the water heater when the outlet vent pipe is
to be turned horizontally directly off the blower.
3. A 5‘ section of 3″ ABS Schedule 40 outlet vent pipe (more may
be required and must be supplied locally).
1. The water heater requires its own (separate) venting
system.
2. Only 3″ ABS Schedule 40 piping and fittings are accept-
able materials on the first five feet of the outlet vent system.
3. 3″ PCV, ABS, or CPVC Schedule 40 piping and fittings are
acceptable materials for the inlet vent system and for the
outlet vent system after the first five feet.
4. It cannot be connected to existing vent piping or chimney.
5. When venting through an outside wall, the vents must ter-
minate horizontally to the outdoors.
3″ PVC SCHEDULE
40 90° STREET
INLET ELBOW
REQUIRED
5' SCHEDULE
40 ABS OUTLET
PIPE SUPPLIED
SCHEDULE
40 PVC INLET PIPE
REQUIRED
ONE
3
″
SCHEDULE
40 PVC 45° OUTLET
ELBOW SUPPLIED
ONE
3
″
SCHEDULE
40 PVC 45° INLET
ELBOW SUPPLIED
3″ ABS SCHEDULE 40
90° STREET
OUTLET ELBOW
SUPPLIED
B. ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS
In the carton is supplied:
1. Two 3″ inlet and outlet PVC Schedule 40 - 45° vent caps.
All other piping must be supplied by the supplier.
TWO 3″ PVC SCHEDULE
40 90° STREET
ELBOW
REQUIRED*
SCHEDULE
40 PVC INLET AND
OUTLET PIPE
REQUIRED
ONE 3
″
SCHEDULE
40 PVC 45° INLET
ELBOW SUPPLIED
ONE 3
″
SCHEDULE
40 PVC 45° OUTLET
ELBOW SUPPLIED
1. The water heater requires its own (separate) venting
system.
2. 3″ PVC, ABS, or CPVC Schedule 40 piping and fittings
are acceptable materials for the vent system on all 40
and 50 gallon models.
3. It cannot be connected to existing vent piping or
chimney.
4. When venting through an outside wall, the vents must
terminate horizontally to the outdoors.
* If making an immediate horizontal run of vent off the
blower, two 3″ PVC or ABS schedule 40 street elbows
are required