19
6 Venting the Combi Boiler
CARBON MONOXIDE POISONING
Follow all vent system requirements in
accordance with relevant local or state
regulation, or, in the absence of local or state
code, if in the U.S., refer to the National Fuel
Gas Code ANSI Z223.1 / NFPA 54 - latest edition,
and if in Canada, in accordance with the Natural
Gas and Propane Installation Code CSA B149.1
- latest edition.
WARNING
For PVC/CPVC/PP material
• Schedule 40 PVC pipe may be used as the vent
material.
If required by local code, use schedule
40/80 CPVC or PP.
•
If the Combi Boiler set temperature is 160°F
(70°C) or higher, use schedule 40/80 CPVC or PP.
Refer to the following.
• This Combi Boiler must be vented with plastic
pipe materials as specified in the table below.
Vent installations in Canada which utilize plastic
vent systems must comply with ULC S636.
6.2 General Requirements
•
This is a Category IV appliance.
Only vent materials approved for use with
Category IV appliances shall be used.
6.2.1 Vent Piping Material
6.1 Venting Installation Sequence
4. Install termination assembly as described in
this manual or in the vent manufacturer’s
installation instructions.
If necessary, install Bird Screen (not supplied
with Combi Boiler).
5. Install combustion air and exhaust vent piping
from Combi Boiler to termination.
6. Slope the horizontal vent 1/4 in. upwards for
every 12 in. (305 mm) toward the termination.
7. Install supports and hanger straps allowing
for movement from expansion, or as per vent
pipe manufacturer’s instructions or local code
requirements.
1. Install the Combi Boiler.
2. Determine the termination method—horizontal
or vertical, etc.
3. Determine proper location for wall or roof
penetration for each termination.
NOTE
Do not exceed maximum allowed vent
lengths as described in this manual.
[Exhaust Vent / Air Intake]
Material
United States
Canada
Exhaust Air Intake Exhaust Air Intake
Schedule 40
PVC
ANSI/ASTM D1785
ULC S636
Certified
Materials
Only
CSA
B137.3
PVC-DWV
ANSI/ASTM D2665
CSA
B181.2
Schedule 40
CPVC
ANSI/ASTM F441
CSA
B137.3
Polypropylene
(PP)*
Centrotherm - lnnoFlue®
(certified ULC S636),
DuraVent PolyPro® (certified ULC S636)
System 1738
TM
PVC Fuel Gas
Venting
IPEX Management Inc.
(certified UL 1738)
* Only listed manufacture specified vent parts
may be used for this Combi Boiler.
Refer to the manufacture’s literature for
detailed information.
- Approved Vent Manufacture:
- Centrotherm - lnnoFlue® PP
- DuraVent PolyPro®
** Applicable vent termination are “90°
elbow” or “Tee type”. Concentric vent
termination of polypropylene are
prohibited.
Parts #
Single Wall Pipe
(2 in. / 3 in.)
ISVL02xx(UV)/03xx(UV),
ISEP02xx/03xx, ISIA0203
Elbow
ISELL0287(UV)/0387(UV),
ISELL0245/0345
Termination**
ISELL0287UV/0387UV,
ISTT0220/0320
Bird Screen
IASPP02/03
Parts #
Single Wall Pipe
(2 in. / 3 in.)
2PPS-xxBL/3PPS-xxBL,
2PPS-xxL/3PPS-xxL
Elbow
2PPS-E90(B)L/3PPS-E90(B)L,
2PPS-E45(B)L/3PPS-E45(B)L
Termination** 2PPS-E90(B)L/3PPS-E90(B)L,
2PPS-T(B)L/3PPS-T(B)L
Bird Screen
2PPS-BG/3PPS-BG
• Under normal conditions, this Combi Boiler will
not produce an exhaust flue temperature in
excess of 149°F (65°C).
Outdoor installation
• The Combi Boiler is designed for either indoor
or outdoor installation. For information about
outdoor installation, contact Pavilion Customer
Center at https://www.peerlessboilers.com/ or
1-855-443-8468.
Never install it in a bathroom, it may be
damaged or a fire may be caused.
CAUTION
Venting the Combi Boiler
Summary of Contents for GHQ-C3201WX-FF PB US
Page 9: ...9 Memo About the Combi Boiler ...
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