Venting continued-
For installations in the US
PVC DWV (ASTM D-2665)
PVC Sch. 40, 80, 120 (ASTM-
D1785)
CPVC Sch. 40, 80 (ASTM-
F441)
CPVC (ASTM D2846)
ABS Sch. 40 DWV (ASTM
D2661)
Approved Primers and Cements
For installations in the US
PVC and CPVC Primer (ASTM-
F656)
PVC Cement (ASTM D-2564)
CPVC Cement (ASTM F493)
ABS Primer and Cement
(ASTM D-2235)
Use of cellular core PVC (ASTM F891), cellular core CPVC, or Radel
(polyphenosulfone) in non-metallic venting systems is prohibited, and
covering non-metallic venting with thermal insulation is prohibited.
Approved Venting Materials
only
only
For installations in CANADA
ULC S636 approved PVC for
flue gas venting rated Class II,
65°C
ULC S636 approved CPVC for
flue gas venting rated Class II,
65°C
For installations in CANADA
ULC S636 approved Primer and
Cement for flue gas venting
rated Class II, 65°C
NOTICE
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