Maytag HJ640NOVET User Manual page 20

Instructions for Installation (cont'd)
Venting (cont'd)
VENTING THROUGH AN OUTSIDE WALL (cont'd) * The water heater requires its own (separate) venting system.
75 GALLON 70,000 AND 75,000 BTU/HR MODELS
ONLY * 4" and Y' PVC, ABS or CPVC Schedule 40 piping and fit-
tings are acceptable materials for the vent system on all 75
• The water heater requires its own (separate) venting system, gallon 70,000 and 75,000 BTU/HR models.
• 3" PVC, ABS or CPVC Schedule 40 piping and fittings are ° It cannot be connected to existing vent piping or chimney.
acceptable materials for the vent system on all 75 gallon
70,000 and 75,000 BTU/HR models. • It must terminate horizontally to the outdoors.
• It cannot be connected to existing vent piping or chimney.
ALL 40 AND 50 GALLON 40,000 BTU/HR MODELS
• It must terminate horizontally to the outdoors. ONLY
3" PVC, ABS or CPVC Schedule 40 vent piping:
75 GALLON 70,000 AND 75,000 BTU/HR MODELS
ONLY -- OPTIONAL 4" VENT PIPING • A 3" PVC Schedule 40-45 ° vent cap with wire screen is
4" PVC, ABS or CPVC Schedule 40 vent piping: supplied with the water heater.
• A 3" PVC, ABS or CPVC Schedule 40-90 ° street ell; used
• A wire screen to fit a 4" PVC, ABS or CPVC Schedule 40-
to connect the vent pipe to the water heater when the vent
45* vent cap is supplied with the water heater, pipe is to be turned horizontally directly offthe blower (sup-
• A 4" PVC, ABS or CPVC Schedule 40-45 ° vent cap plied locally).
(must be supplied locally). • 3" PVC, ABS or CPVC Schedule 40 pipe (must be sup-
* A 3" PVC, ABS or CPVC Schedule 40 pipe, minimum plied locally).
length of 3" (must be supplied locally), to make vent con-
nection at the blower outlet.
3" PVC, A BSORCPVC
SCHEDULE L-_
• A 4" to 3" PVC, ABS or CPVC Schedule 40 reducer (must
40 90°
EL,OWr J I I I
be supplied locally).
3" PVC, A BSORCPVC
SCHEDULE 40 PIPE VENTCAP
• A 4" PVC, ABS or CPVC Schedule 40-90 °
street ell; used
_ WITHSCREEN
to connect the vent pipe to the reducer when the vent pipe is
to be turned horizontally offthe blower (supplied locally). _ I
• 4" PVC, ABS or CPVC Schedule 40 pipe (must be sup-
plied locally). • The water heater requires its own (separate) venting
system.
4" PVC, A BS ORCPVC
4" PVC, A BS ORCPVC SCHEDULE 40 PiPE • 3" PVC, ABS or CPVC Schedule 40 piping and fittings
SCHEDULE 4090°/_-_
t ,, [ ] _ are acceptable materials for the vent system on all 40 and
STREET ELBOW
50 gallon 40,000 BTU/HR models.
4"VENT CAP
[_4" TO3" PVC, A BS OR
CPVC REDUCER WITHSCREEN • It cannot be connected to existing vent piping or
_] 3"PVC, A BSORCPVC SCHEDULE 40 chimney.
PIPE (MINIMUMLENGTH 3 ")
• It must terminate horizontally to the outdoors.
t i
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