Navien NPE-180A2 Installation Manual page 54

Max.
Vent Max.
# of
Size Length
Elbows
75 ft
2 in. 6
(23 m)
150 ft
3 in. 8
(45 m)
The Maximum Length does not
Note
●
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
54 Installing the Water Heater
Equivalent Lengths
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
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
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)