Installation Instructions (cont'd)

Venting (cont'd)

AWARNING

Be sure vent pipe is p,_porly connected to prevent escape of dangerousflue gaseswhich could causedeadly asphyxiation,

VENTING SYSTEM EXAMPLE INSTALLATIONS FOR ALL MODELS

The vent piping cannot under any circumstances be run down- hill.

AWARNING

Chemical vapor corrosion of the Rue and vent system may occur if air for combustion contains certain chemical 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 compoundswhich are potentially corrosive.

3" PVC SCHEDULE 40 VENT PIPING

Supplied in the carton with the water heater are:

1.A 3" PVC Schedule 40-45° vent cap with wire screen.

2.A 3" PVC 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.

3.A 5' section of 3" PVC Schedule 40 pipe (more may be required and must be supplied locally).

3"opvcSchedule40 90 Elbow

Vent Cap with

Screen

1

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 gallon models and 50 gallon 40,000 BTU/HR models.

3.It cannot be connected to existing vent piping or chimney.

4.It must terminate horizontally to the outdoors.

The vent piping can be installed as follows:

1. No more than 3 elbows can be used.

Max. 3

MIN. RISE ¼"

PER FOOT

TOTAL VERTICAL AND

HORIZONTAL RUNS

CANNOT EXCEED 35'

MAX_3

MIN. RISE ¼"

PER FOOT

MAX. 20'

TOTAL VERTICAL AND

HORIZONTAL RUNS

CANNOT EXCEED 35'

MIN. RISE ¼"

PER FOOT

16

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Sears 153.335903 Venting contd, Venting System Example Installations for ALL Models, PVC Schedule 40 Vent Piping
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153.335815, 153.335961, 153.335903, 153.335915, 153.335803 specifications

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