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A. GENERAL
1. Install the Series PBC™ boiler venting system in
accordance with these instructions and with the National
Fuel Gas Code, ANSI Z223.1/NFPA 54, CAN/CGA B149,
and/or applicable provisions of local building codes.
2. The Series PBC™ boiler is a direct vent appliance and
is ETL Listed as a Category IV appliance with Intertek
Testing Laboratories, Inc.
3. Sources of combustion air contaminated with chlorine,
ammonia or alkali agents must be avoided. Do not
install this boiler near a swimming pool, hot tubs or
laundry. Do not store chemicals near the boiler.
4. The Exhaust Vent and Air Intake adapters are
provided loose inside of the boiler cabinet and must be
installed securely using the provided screws and
gaskets. See Figure 3.1 below for proper orientation.
Ensure that the vent adapter is fully inserted in the
heat exchanger outlet gasket and that the foam seal is
installed between the jacket and the flange of the adapter.
B. APPROVED MATERIALS
1. Table 3.1 lists approved materials for vent pipe (and
adhesives where applicable). Use only these materials
for exhaust vent piping.
2. PVC pipe and fittings are not to be used for venting in
confined spaces such as closet installations. Use only
CPVC or polypropylene (InnoFlue or PolyPro) vent
pipe under these conditions.
3. Cellular core piping is approved for inlet air piping only.
* PVC pipe/fittings are not to be used for venting within
confined spaces.
Notice: Installations in Canada require compliance with
ULC S636 - Standard for Type BH Gas Venting Systems.
VENTING & AIR INLET PIPING
3. VENTING & AIR INLET PIPING
This vent system operates under positive pressure.
Vent connectors serving appliances vented by
natural draft shall not be connected into any portion
of this venting system. Failure to comply may result
in serious injury, death or major property damage.
WARNING
Only the materials listed below are approved for use
with the Series PBC™ boiler. Use only these
components in accordance with these instructions.
Failure to use the correct material may result in
serious injury, death, or major property damage.
WARNING
Table 3.1: Approved Materials for Exhaust Vent Pipe
Description Material
Conforming to
Standard
Vent Piping
& Fittings
PVC (Sch 40 or 80)* ANSI/ASTM D1785
CPVC (Sch 40 or 80) ANSI/ASTM F441
PVC-DWV*
ANSI/ASTM D2665
Duravent FastNSeal
®
AL29-4C Stainless
Steel
UL1738 & ULC-S6
PolyPro
®
(Polypropylene)
ULC-S636
InnoFlue
®
(Polypropylene)
ULC-S636
Z-DENS
®
(Polypropylene)
ULC-S636
Pipe Cement
(PVC & CPVC Only)
PVC/CPVC Cement ANSI/ASTM D2564
Figure 3.1: Exhaust and Air Intake Location and
installation
Improper installation of the Vent adapter could result in
the escape of combustion products causing severe
personal injury, death or major property damage.
WARNING
- All 3” SCH40 PVC applications require 9 inches of
straight vent pipe between the vent adapter the first
elbow.
- All 2” SCH40 PVC applications require the first 10
equivalent feet to be of CPVC material
NOTICE
The venting system for this product is to be installed in
strict accordance with these venting instructions.
Failure to install the vent system properly may result in
severe personal injury, death or major property damage.
WARNING
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