Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual page 9

Flexible Venting Installation
Important Regulatory and Installation Requirements
Table 3. Approved materials for two-pipe system
Part
Exhaust rigid-pipe /
fittings and flexible
vent system
Combustion air intake pipe
and fitting
Pipe cement,
primer (for combustion air
intake pipe)
CAUTION
Do not use cellular (foam) core pipe material to vent this
Vitodens boiler.
CAUTION
On the job site, ensure that non-listed combustion air
pipe materials are not inadvertently used instead of
listed vent pipe material.
Material
PP(s)
Polypropelene
Stainless steel
PVC-DWV
Schedule 40
CPVC
Schedule 40
ABS-DWV
Schedule 40
PVC
CPVC
ABS
(continued)
Certified to Standards
UL1738
"Venting systems for
gas-burning appliances,
Categories II, III, IV"
ULC S636
"Standard for Type BH gas
venting systems"
n.a.
ANSI/ASTM D2661
CSA B181.1
ULC S102.2
ANSI/ASTM D2665, D1785
CSA B137.3, B181.2
ANSI/ASTM F441
ANSI/ASTM D2661
CSA B181.1
ULC S102.2
ANSI/ASTM D2665, D1785
CSA B137.3, B181.2
ANSI/ASTM F441
ANSI/ASTM D2661
CSA B181.1
ULC S102.2
ANSI/ASTM D2665, D1785
CSA B137.3, B181.2
ANSI/ASTM F441
ANSI/ASTM D2564
CSA B137.3
ANSI/ASTM F493
CSA B137.6
ANSI/ASTM D2235
CSA B181.1/B182.1
CAUTION
Do not use PVC material in exhaust system.
Safety
Applicability
U.S.A./Canada
9