Kenmore 153.335863 Owner's Manual page 17

Installation Instructions (cont'd)
Venting (cont'd)
AWARNING ]
sure vent pipe is properlyconnectedto preventescapeof|
gerous flue gases whichcouldcausedeadlyasphyxiation. ]
AWARNING
Chemical vapor corrosionof the flue and vent system may
occurif air for combustioncontainscertainchemicalvapors.
Spraycan propellants,cleaningsolvents,refrigerator and air
conditioner refrigerants, swimming pool chemicals,calcium
and sodium chloride,waxes,bleach,and process chemicals are
typicalcompounds whicharepotentially corrosive.
Vertical and horizontal runs must be securely supported at 3'/2
foot intervals.
STRAPPING
VENTING THROUGH AN OUTSIDE WALL
ALL MODELS
3" ABS Schedule 40 vent piping supplied in the water heater
_r ton:
1. A 3" ABS 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 Y' PVC Schedule 40 pipe (more may be
required and must be supplied locally).
3" PVC SCHEDULE 40
90 ° ELBOW
VENT CAP
WITH SCREEN
The water heater requires its own (separate) venting system.
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.
ALL 40 GALLON AND 50 GALLON 40,000 BTU/HR
MODELS -- OPTIONAL 2" VENT PIPING
2" PVC Schedule 40 vent piping:
1. A wire screen to fit a 2" PVC Schedule 40-45 ° vent cap is
supplied with the water heater.
2, A 2" PVC Schedule 40-45 ° vent cap (must be supplied locally).
3, A 3" PVC Schedule 40 pipe, minimum length of 3" (must
be supplied locally).
4, A 3" to 2" PVC Schedule 40 reducer (must be supplied
locally).
5, A 2" PVC Schedule 40-90 ° street ell; used to connect the
vent pipe to the reducer when the vent pipe is to be turned
horizontally off the blower (supplied locally).
6. A 2" PVC Schedule 40 pipe (must be supplied locally).
2" PVC SCHEDULE 40
90 ° ELBOW
L
2" SCHEDULE 40 PVC PIPE
[_ 3" TO 2" PVC REDUCER
3" CHEDULE 40 FVC PIPE
ININUH LENGTH 3")
I I
VENT CAP
AND SCREEN
1. The water heater requires its own (separate) venting system.
2. 2" and Y' PVC, ABS, or CPVC Schedule 40 piping and fit-
tings are acceptable material_ for the vent system on all 40
gallon 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.
NOTE: See page 20 for vertical venting through a roof.
17