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Instructions for Installation (cont'd)
INSTALLATIONSHOWING USEOF PVC, ABS OR CPVC PIPE
• If the optional 4" vent piping is to be used (70,000 BTU/I-Ir.
and higher models only), the 4" street elbow, 4" to 3" reducer
and 3" (minimum) section of 3" PVC, ABS or CPVC pipe
EXTERIOR
SJUCO.E _
/
_
WAU.
must be suppfied locally. The 3" (minimum) section of 3"
sra_t_ _
/
PVC, ABS or CPVC pipe must be attached to the blower
,,x,
using 3 sheet metal screws.
_ MIIq.u_'I'_ISIOIq
,
THROUGH
EXTIERIO RWALL
se=_v
SCREW
VENTING THROUGH A ROOF
'
ALL.OOELS
3" PVC, ABS or CPVC Schedule 40 vent piping:
j/
• A 3" PVC Schedule 40-45* vent cap with wire screen is
SCR_--
COLLAR
supplied with the water heater.
$1U¢
S_LE_
/
BEDOWNWARDPoSmONEO
• 3" PVC, ABS, or CPVC Schedule 40 piping'
"
and fittings
are acceptable materials for the vent system on all models
CONNECTING PVC, ABS OR CPVC PIPEVENT TO BLOWER
and must be supplied locally.
• If making an immediate horizontal run of vent offthe blow-
75 GALLON 70,000 AND 75,000 BTU/HR -- oPTIONAL
er, a 3" PVC, ABS or CPVC Schedule 40 (supplied locally)
4" VENT PIPING
elbow is required. Place the elbow in the required direction
on the blower and using 3 sheet metal screws, attach the
4" PVC, ABS or CPVC Schedule 40 vent piping:
elbow.
• A wire screen to fit a 4" PVC, ABS or CPVC Schedule 40-
_-/_.
. 45 ° vent cap is supplied with the water heater.
SEAL
WITH
[
]] ] /
* A 3" PVC, ABS or CPVC Schedule 40 pipe, minimum
RTV
SEALANT _
I
_
_'_
length of 3" (must be supplied locally), to make vent con-
nection at the blower outlet.
_"/
_
_
"__
-.
• A 4" to 3" PVC, ABS or CPVC Schedule 40 reducer (must
/
•_"
] ]_(_1
]
_
be supplied locally).
[
• 4" and 3" PVC, ABS, or CPVC Schedule 40 piping and
I
fittings are acceptable materials for the vent system on all
• If there is to be a vertical run of vent from the blower, the 3"
75 gallon 70,000 and 75,000 BTU/HR
models and must be
PVC, ABS or CPVC pipe must be attached to the blower
supplied locally.
using 3 sheet metal screws.
4"PVC, A BS ORCPVC
SCHEDULE 40 PIPE
SEAL WITH
/
_
4"CPvcTO
REDUCER3"
PVC, A BS OR
RTVSEALANT
/
"_
(MINIMUMLENGTH3")
• If the optional 2"vent piping is to used (40,000 BTU/HR.
models only), the 2" street elbow, 3" to 2" reducer and 3"
(minimum) section of 3" PVC, ABS or CPVC pipe must be
supplied locally. The 3" (minimum) section of 3" PVC, ABS
or CPVC pipe must be attached to the blower using 3 sheet
metal screws.
25
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