Installation guide

Single Wall Venting (Room Air Dependent)
67
General Installation Information (continued)
Approved materials for single-wall vent system
Table 45. Approved materials for single-wall vent system
Part
Material Certified to Standards Applicability
Exhaust pipe and fitting Stainless steel UL1738
“Venting systems for
gas-burning appliances,
Categories II, III, IV”
U.S.A.
ULC S636
“standard for Type BH gas
venting systems”
Canada
CPVC UL1738
“Venting systems for
gas-burning appliances,
Categories II, III, IV”
U.S.A.
ULC S636
“standard for Type BH gas
venting systems”
Canada
Pipe cement,
primer (for combustion
a
i
r
i
n
t
a
k
e
p
i
p
e
o
n
l
y
)
PVC ANSI/ASTM D2564
CSA B137.3
U.S.A./Canada
air intake pipe only)
CPVC ANSI/ASTM F493
C
S
3
6
/
CSA B137.6
ABS ANSI/ASTM D2235
CSA B181.1/B182.1
Pipe cement,
primer (for exhaust
pipe and fitting)
CPVC ULC S636
“Standard for Type BH gas
venting systems”
Class IIB 90°C
U.S.A./Canada
5368 815 v2.0 b
Do not use cellular (foam) core pipe
material to vent the Vitodens boiler.
CAUTION