Minimum / Maximum Allowable Combustion Air And Vent Piping Lengths; Install Vent And Combustion Air Piping - RBI Infinite Energy2 IW199 Installation And Operation Instructions Manual

11 - INSTALLATION - CATEGORY IV: Vent and combustion air
11.3 - Minimum /
Maximum allowable
combustion air and
vent piping lengths
The maximum length of the two pipes
vent system is 120 equivalent ft (Air
intake plus flue exhaust). However,
each single pipe can't be longer than
60 ft.
Each 45° elbow inserted in the
venting system, has a loss of pressure
equivalent to 3 ft of linear pipe.
Each 90° elbow inserted in the
venting system, has a loss of pressure
equivalent to 6 ft of linear pipe.
The minimum length of the venting
sytem is 1 ft (357 mm).
Vent pipe materials and fittings must comply with the following standards
Item
Vent pipe
Vent fittings
Pipe cement/primer
WARNING!!! Use of cellular core PVC, CPVC, and Radel for venting system is not allowed
Figure 11-7 - Approved vent materials
11.4 - Install vent
and combustion air
piping
WARNING!!!
must be vented and supplied
with combustion and ventilation
air as described in this section.
Ensure the vent and air piping
and the combustion air supply
comply with these instructions
regarding vent system, air
system, and combustion
air quality and also with the
venting system manufacturer's
instructions. See also Section
5.1.1 of this manual. Inspect
finished vent and air piping
thoroughly to ensure all are
airtight and comply with the
instructions provided and with
all requirements of all applicable
codes. Failure to provide a
properly installed vent and
air system will cause severe
personal injury or death.
WARNING!!!
materials other than those
listed in Figure 11-7 and Figure
11-8, failure to properly seal
Material
PVC schedule 40/80
CPVC schedule 40/80
Polypropylene
Stainless steel AL29-4C
PVC schedule 40
PVC schedule 80
CPVC schedule 80
Polypropylene
Stainless steel AL29-4C
PVC
CPVC
This appliance
NOTICE! Installation must comply
with local requirements and with the
National Fuel Gas Code, ANSI Z223.1
for U.S. installations or CSA B149.1 for
Canadian installations.
Using vent
For installation in Canada, vent pipe
system must be certified to ULC-S636
(see Figure 11-7).
Standard for installation
in USA
ANSI/ASTM D2665
ANSI/ASTM F441
ULC-S636
UL 1738
ANSI/ASTM D2466
ANSI/ASTM D2467
ANSI/ASTM F439
ULC-S636
UL 1738
ANSI/ASTM D2564
ANSI/ASTM F493
60
all seams and joints, mixing
of venting materials or failure
to follow vent pipe and fittings
manufacturer's instructions can
result in personal injury, death
or property damage.
WARNING!!!
Use of cellular
core PVC and CPVC or Radel for
venting system is not allowed.
Use of improper materials can
result in excessive levels of
carbon monoxide which can
result in severe personal injury
or death!
WARNING!!!
Use only the
materials listed in Figure 11-7
and Figure 11-8 for vent pipe,
and fittings. Failure to comply
could result in severe personal
injury, death, or substantial
property damage.
Standard for installation
in CANADA
ULC-S636