Installation Instructions (cont'd)
Venting (cont'd)
VENTING SYSTEM EXAMPLE INSTALLATIONS
FOR ALL MODELS
Be sure vent pipe is properlyconnectedto preventescape
AWARNINGofThe vent piping cannot under any circumstances be run down-
dangerousfluegaseswhichcouldcausedeadlyasphyxiation.hill.
AWARNING
Chemical vapor corrosion of the flue and vent system may
occur if air for combustion contains certain chemical vapors. Spray can propellants, cleaning solvents, refrigerator and air conditioner refrigerants, swimn_ing pool chemicals, calcium and sodium chloride, waxes, bleach, and processchemicals are typical compounds which are potentially corrosive.
3" PVC SCHEDULE 40 VENT PIPING
Supplied in the carton with the water heater are:
1.A 3" PVC Schedule 4045 ° vent cap with wire screen.
2.A 3" PVC Schedule
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" PVC SCHEDULE 40 90° ELBOW
VENT CAP
WITH SCREEN
I
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.
4>
MIN. RISE I/4"
PER FOOT
TOTAL VERTICAL AND
HORIZONTAL RUNS
CANNOT EXCEED 35'
MAX, 3
MIN. RISE I/4"
PER FOOT
MAX 20'
TOTAL VERTICAL AND
HORIZONTAL RUNS
CANNOT EXCEED 35'
MIN. RISE i/4"
PER FOOT
16
