Installation Instructions (cont'd)
Venting (cont'd)
ALL MODELS _ OPTIONAL 2"VENT PIPING
2" PVC, ABS or CPVC Schedule 40 vent piping:
1.A wire screen to fit a 2" PVC, ABS or CPVC Schedule 40- 45 ° vent cap is supplied with the water heater.
2.A 2" PVC, ABS or CPVC Schedule
3.A Y" PVC, ABS or CPVC Schedule 40 pipe, minimum
length of Y" (must be supplied locally), to make vent connec- tion at the blower outlet.
4.A Y" to 2" PVC, ABS or CPVC Schedule 40 reducer (must be supplied locally).
5.A 2" PVC, ABS or CPVC Schedule
6.2" PVC, ABS or CPVC Schedule 40 pipe (must be supplied locally).
2" PVC, ABS OR CPVC
2" PVC, ABS OR CPVC SCHEDULE 40 PIPE SCHEDULE
90° ELBOW _]_
VENT CAP
WITH SCREEN
i_ | 3" TOCPVC2" PVC,REDUCERABSOR |
3" PVC, ABS OR CPVC SCHEDULE 40 PIPE (MINIMUM LENGTH 3")
VENTING SYSTEM EXAMPLE INSTALLATIONS FOR ALL MODELS
The vent piping cannot under any circumstances be run down- hill.
The vent piping may be installed as follows:
Horizontal runs require a minimum %"rise per five feet.
3
ELBOW
EXAMPLE
MIN, RISE¼"
PERFIVE FEET
•The water heater requires its own (separate) venting system.
•2" and 3" PVC, ABS or CPVC Schedule 40 piping and fittings are acceptable materials for the vent system on all models.
•It cannot be connected to existing vent piping or chimney.
•It must terminate horizontally to the outdoors.
NOTE: See pages 22 and 23 for vertical venting through a roof.
3
ELBOW
EXAMPLE
MIN, RISE¼"
PERFIVE FEET
MIN. RISE¼"
PER FIVEFEET
18