Table of Contents
Advertisement
!
WARNING
Manufacturer recommends this condensing boiler
be vented with approved polypropylene venting
material. Use only materials listed below for vent
pipe, intake air pipe, and fittings. Failure to comply
could result in death or serious injury.
!
WARNING
Cascade venting of condensing boilers shall be
vented with manufacturer's polypropylene venting
material. Failure to follow these instructions could
result in death or serious injury.
!
WARNING
ABS/PVC venting shall not to be used this product.
Use of DWV plumbing pipes to vent this boiler shall
be prohibited.
Use of cellular core PVC (ASTM F891), cellular core
CPVC, or Radel® (polyphenolsulfone) in venting
systems shall be prohibited.
Covering non-metallic vent pipe and fittings with
thermal insulation shall be prohibited.
Failure to follow these instructions could result in
death or serious injury.
6.3 Approved Venting Materials
Installation shall conform to requirements of authority having
jurisdiction or in absence of such requirements:
• USA - National Fuel Gas Code, ANSI Z223.1/NFPA 54.
• Canada - Natural Gas and Propane Installation Code, CAN/
CSA B149.1
Follow venting manufacturer's equivalent lengths
Note
for specialty fittings.
A. Vent Material Options:
1.
110 /160 mm Polypropylene concentric (4 inch / 6 inch)
or
2.
110 mm polypropylene twin pipe (MUST be polypropylene
on BOTH intake and exhaust) (4 inch)
or
3.
4" Twin pipe CPVC (PVC optional on intake ONLY).
6 - COMBUSTION AIR AND VENT PIPING
21
B. Approved Polypropylene Manufacturers:
Must comply with UL 1738 or ULC S636. The following
manufacturers have been evaluated:
• Natalini
• Duravent
• Centrotherm
• Z Flex
C. Vent Termination
• Terminate combustion air and vent pipes with fittings or
concentric vent kit.
A. Use horizontal pipe for vent and 90° elbow for
combustion air termination when using fittings.
• Separate vent terminal from air inlet terminal to prevent
flue gas recirculation. If T-Terminal is used on flue pipe
at sidewall, air inlet terminal shall be at least 36" or more
away from vent terminal.
• Locate combustion air termination as far as possible from
swimming pool, swimming pool pump house, and other
sources of airborne chlorine.
P/N 240011662, Rev. D [06/30/2017]
Advertisement
Table of Contents
Troubleshooting
