54 Installing the Water Heater
●
IPEX Low Profile Termination Kit (Certified to
UL1738)
2 in. Low Profile Vent Kit #397984
3 in. Low Profile Vent Kit #397985
The following polypropylene vent terminations are
approved for use:
●
Duravent PolyPro® Horizontal Concentric
Termination Kit (Certified to ULCS636)
2 in. x 4 in. Concentric Vent Kit #2PPS-HKC
3 in. x 5 in. Concentric Vent Kit #3PPS-HKC
●
Centrotherm Innoflue® Low Profile Termination
Kit (Certified to UL1738 and ULCS636)
2 in. Vent Kit #ISLPT0202
3 in. Vent Kit #ISLPT0303
●
Centrotherm Concentric Vent Kit (Certified to
UL1738 and ULCS636)
2 in. Vent Kit #ICWT242
3 in. Vent Kit #ICWT352
●
Hart & Cooley Polyflue™ Horizontal Termination
Kit (Certified to ULCS636)
2 in. Vent Kit #2PF-HCT
3 in. Vent Kit #3PF-HCT
●
Z-Flex® Z DENS Horizontal Termination (Certified
to UL1738 and ULCS636)
2 in. Vent Kit #2ZDHK2
3 in. Vent Kit #2ZDHK3
The following polypropylene vent components can
be used as terminations:
●
Duravent PolyPro® (Certified to ULCS636)
2PPS-E90L or 3PPS-E90L (2” or 3” 90° Elbow)
2PPS-E45L or 3PPS-E45L (2” or 3” 45° Elbow)
2PPS-TL or 3PPS-TL (2” or 3” Tee)
2PPS-BG or 3PPS-BG (2” or 3” Birdscreen)
●
Centrotherm Innoflue® (Certified to UL1738 and
ULCS636)
ISELL0287 or ISELL0387 (2” or 3” 87° Elbow)
ISELL0245 or ISELL0345 (2” or 3” 45° Elbow)
IST02 or IST03 (2” or 3” Tee)
IASPP02 or IASPP03 (2” or 3” Birdscreen)
●
Hart & Cooley Polyflue™ (Certified to ULCS636)
2PF-90 or 3PF-90 (2” or 3” 90° Elbow)
2PF-45 or 3PF-45 (2” or 3” 45° Elbow)
2PF-T or 3PF-T (2” or 3” Tee)
2PF-HVST or 3PF-HVST (2” or 3” Birdscreen)
●
Z-Flex® Z-DENS (Certified to UL1738 and ULCS636)
2ZDE_87 or 3ZDE_87 (2” or 3” 87° Elbow)
2ZDE_45 or 3ZDE_45 (2” or 3” 45° Elbow)
2ZDTT or 3ZDTT (2” or 3” Tee)
2ZDES or 3ZDES (2” or 3” Birdscreen)
Vent
Size
Max.
Length
Max.
# of
Elbows
Equivalent Lengths
2 in.
75 ft
(23 m)
6
Reduce the maximum vent
length accordingly for each
elbow used:
●
Each 90° elbow equates to
8 linear ft (2.4 m) of vent
●
Each 45° elbow equates to
4 linear ft (1.2 m) of vent
3 in.
150 ft
(45 m)
8
Reduce the maximum vent
length accordingly for each
elbow used:
●
Each 90° elbow equates to
5 linear ft (1.5 m) of vent
●
Each 45° elbow equates to
3 linear ft (0.9 m) of vent
Note
●
The Maximum Length does not
include any elbows.
●
The use of a PVC or polypropylene
concentric termination counts as 5
linear feet (1.5 m) of vent.
●
The maximum vent lengths at high
altitudes are the same as shown in
the above.
3.6.6 Terminating the Vent
Before installing the water heater, determine what
type of vent termination is appropriate for the
installation location and materials. The subsections
that follow describe some typical venting
configurations, but do not include all possible
options.
The following PVC vent terminations are approved
for use with this appliance:
●
IPEX (Certified to ULCS636)
2 in. FGV Concentric Kit #196105
3 in. FGV Concentric Kit #196106
●
IPEX (Certified to UL1738)
2 in. FGV Concentric Kit #397105
3 in. FGV Concentric Kit #397106
●
Diversitech (Certified to ULCS636)
2 in. Kit #CVENT-2
3 in. Kit #CVENT-3
●
IPEX Low Profile Termination Kit (Certified to
ULCS636)
2 in. Low Profile Vent Kit #196984
3 in. Low Profile Vent Kit #196985
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