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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 40-45 ° vent cap (elbow)
(must be supplied locally).
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.
VENTING SYSTEM EXAMPLE INSTALLATIONS
FOR ALL MODELS
The vent piping cannot under any circumstances be run down-
hill.
4. A Y" to 2" PVC, ABS or CPVC Schedule 40 reducer (must
be supplied locally).
5. A 2" PVC, ABS or CPVC 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. 2" PVC, ABS or CPVC Schedule 40 pipe (must be supplied
locally).
The vent piping may be installed as follows:
2" PVC, ABS OR CPVC
SCHEDULE 40...---_1
90° ELBOW _]_
2" PVC, ABS OR CPVC
SCHEDULE 40 PIPE
i_ 3" TO 2" PVC,ABS ORCPVC REDUCER
3" PVC, ABS OR CPVC
SCHEDULE 40 PIPE
(MINIMUM LENGTH 3")
VENT CAP
WITH SCREEN
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"
PER FIVEFEET
MIN, RISE¼"
PERFIVE FEET
18