State SDV 75 70 NE/PE - Manual (Page 14)

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
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 acceptable
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 out-
let 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 termi-
nate 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