3
CHAPTER 1
CHAPTER 1 - PRE-INSTALLATION REQUIREMENTS
1.3.1 PVC and CPVC Vent and Combustion Air
Piping and Fittings
• PVC Schedule 40 - ANSI/ASTM D1785
• PVC-DWV - ANSI/ASTM D2665
• CPVC Schedule 40 - ANSI/ASTM F441
1.3.2 PVC and CPVC Pipe Cement and Primer
• PVC - ANSI/ASTM D2564
• CPVC - ANSI/ASTM F493
• For installations in Canada, all piping,
fittings and cement/primer material must be
certified and listed to ULC-S636. Ipex Inc. is
an approved manufacturer of ULC S636 vent
components.
• Use of cellular core PVC (ASTM F891) cellular
core CPVC, or Radel® (polyphenolsulfone)
in venting systems is prohibited. Cellular
core pipe may be used for combustion air
piping.
DO NOT mix a PVC/CPVC vent system &
components with other vent system materials
& components. Seal all PVC and CPVC pipe
and fittings with the appropriate primer and
cement.
Failure to comply with this requirement can
cause the venting system to fail resulting in
substantial property damage, serious injury, or
death.
1.3.3 AL29-4C® Stainless Steel Vent Piping and
Fittings
Approved AL29-4C® Stainless Steel vent manufacturers
and vent systems:
• SelKirk/Heatfab
• DuraVent
• Z-FLEX U.S. Inc.
Only use approved AL29-4C® stainless steel vent adapt-
ers and terminations listed in Table 2 on page 6.
NOTICE
WARNING
Contact approved AL29-4C® Stainless
Steel vent manufacturer for a copy of their
installation instructions. Read, understand
and follow all of the vent manufacturer’s
instructions before beginning the installation.
Contact vent manufacturer if you require any
technical support.
Failure to properly install and support vent
system can cause the venting system to fail,
resulting in substantial property damage,
serious injury, or death.
When using AL29-4C® stainless steel for the
vent system, PVC or CPVC pipe meeting the
listed requirements in this manual may be
utilized for the combustion air piping.
1.3.4 Polypropylene (PP) Vent Piping and Fittings
Approved polypropylene vent manufacturers and vent
systems:
• Centrotherm Eco Systems, LLC
• DuraVent
• Z-Flex U.S. Inc.
• ECCO Manufacturing
Only use approved polypropylene components listed
in Table 3 on page 7 to Table 6 on page 9. Ter-
mination must be selected from the options shown in
this manual, using UV-resistant polypropylene.
Contact approved polypropylene vent
manufacturer for a copy of their installation
instructions. Read, understand and follow
all of the vent manufacturer’s instructions
before beginning the installation. Contact
vent manufacturer if you require any
technical support.
Failure to properly install and support vent
system can cause the venting system to fail,
resulting in substantial property damage,
serious injury, or death.
WARNING
NOTICE
WARNING
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