57
Venting the Boiler
●
IPEX Low Profile Termination Kit:
2 in Low Profile Vent Kit #196984
3 in Low Profile Vent Kit #193985
The following
polypropylene
vent terminations are approved for
use:
●
Duravent PolyPro Horizontal Concentric Termination Kit
2 in x 4 in Concentric Vent Kit #2PPS-HKL
3 in x 5 in Concentric Vent Kit #3PPS-HKL
●
Centrotherm Innoflue Low Profile Termination Kit
2 in Vent Kit #ISLPT0202
3 in Vent Kit #ISLPT0303
●
Hart & Cooley Polyflue Horizontal Termination Kit
2 in Vent Kit #2PF-HCT
3 in Vent Kit #3PF-HCT
The following
polypropylene
vent components are approved for
use as terminations:
Duravent PolyPro®
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®
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™
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)
The following
stainless steel
(AL29-4C) vent components are
approved for use as terminations:
Duravent FasNSeal®
FSELB9003 (3” 90° Elbow)
FSELB8803 (3” 88° Elbow)
FSELB4503 (3” 45° Elbow)
FST3 (3” Tee)
FSBS3 (3” Birdscreen)
Heat Fab Saf-T Vent® EZ Seal
9314(LR) or 9314TERM (3 ” 90° Elbow)
9311 (3” 45° Elbow)
9390TEE (3” Tee)
9392 (3” Birdscreen)
Note
●
Only the termination models listed above are
approved for use with this appliance.
●
Only terminations of the same manufacturer as the
vent system must be used.
●
Refer to the vent manufacturer’s instructions for
detailed installation procedures and guidelines.
5.3 Measuring Vent Length
The maximum vent length when using 2 in exhaust ducts is 60
ft (18 m). The maximum vent length when using 3 in vent ducts
is 150 ft (45 m). The intake duct length may be identical to the
exhaust duct length. Maximum vent lengths reduce according to
the number of elbows used, as shown in the following table:
Vent Size
Maximum
Length
Maximum
# of Elbows Equivalent Length
2 in
60 ft (18 m)
6
Reduce the
maximum vent
length accordingly
for each elbow used:
●
Each 90° elbow
equates to 8 linear
feet of vent
●
Each 45° elbow
equates to 4 linear
feet 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
feet of vent
●
Each 45° elbow
equates to 3 linear
feet of vent
Note
●
The Maximum Length does not include any elbows.
●
The use of a PVC or polypropylene termination kit
counts as 5 linear feet (1.5 m) of vent.
●
The use of a tee counts for the same equivalent
length as a 90° elbow for the vent size.
●
The maximum vent lengths at high altitudes are the
same as shown in the table above.
5.4 Terminating the Vent
Before installing the boiler, 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:
●
PVC Concentric Vent Kit (Sch 40 - UL 1738/ULC S636):
2 in Vent Kit
3 in Vent Kit
Summary of Contents for NFC-175
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