Install Instructions

4
LISTING
Listed to ULC S636
Rated Class IIA, IIB, and IIC vent system
maximum temperature 230°F (110 °C)
maximum positive pressure 15 in-w.c.
Massachusetts Plumbers Board,
# G1-0811-42
APPLICATION
ANSI Category II and IV gas-burning
appliances with a maximum positive
pressure of 15in w.c. and maximum ue gas
temperature of 230°F (110°C, ULC-S636-Class
IIC).
Appliances specically tested and listed to
use DuraVent PolyPro Venting.
PERMITS
Check with your local Building Ocial, Fire
Ocial, or other authority having jurisdiction
(AHJ) regarding permits, restrictions, and
installation inspections in your area.
GENERAL INSTALLATION NOTES
Read these instructions before beginning.
You must use only authorized DuraVent
PolyPro vent parts, or other parts specically
authorized in these instructions and/or listed
by the appliance manufacturer in order to
maintain a safe, approved system.
• Do not mix parts or try to match with
other products or use improvised
solutions.
• Do not install damaged or modied
parts.
• Use soapy water to lubricate gaskets.
• Never use petroleum base lubricants.
If these directions and those of the appliance
manufacturer dier, follow the more
conservative requirements. If you have any
questions, contact either your dealer or
DuraVent directly. A venting system must
not be routed into, through, or within any
other vent, such as an existing masonry or
factory-built chimney ue, unless that vent
or chimney is not being used to vent another
appliance and is only used as a conduit for
the gas-vent system. Plastic venting systems
shall not pass through re rated separations
without approved restopping.
PolyPro Single-Wall attains Flame Spread /
Smoke Developed ratings of <25 / <50 (per
UL-723, ASTM E-84 and ULC-S102) when
used in conjunction with the below noted
materials:
• 3M Fire Barrier Plenum Wrap 5A+
• Unifrax FyreWrap 0.5 Plenum Insulation
• Knauf Insulation- Atmosphere Duct
Wrap with ECOSE
• Alternate equivalent listed product
Always follow the particular installation
instructions from the insulation wrap
manufacturer, in addition to those for the
PolyPro vent system. The venting system
shall be securely supported using suitable
hangers installed after the pipe has been
properly wrapped. Hardware must not
deform or damage the vent or wrap.
Table 1
Clearance to Combustibles
VENT PIPE ORIENTATION
Single Wall Vertical Horizontal
Up to 190°F 0" 0"
Up to 230°F 0" ¼" (6mm) all around
Concentric
Up to 230°F 0" 0"
The vent system must be compliant in
accordance with local code requirements
and appropriate National Codes: In
the US: NFPA 54 / ANSI Z223.1 National
Fuel Gas Code or the International Fuel
Gas Code. In Canada: CAN/CGA-B149.1
Natural Gas Installation Code or CAN/CGA-
149.2 Propane Installation Code.
IMPORTANT