30
18-CE18D1-1B-EN
APPROVED VENT PIPE MATERIALS
PVC VENT FITTING MATERIAL
These fittings are available from your Gas Furnace Distributors.
ANSI/UL 1738 APPROVED VENT PIPE MATERIAL
PVC
ASTM STANDARD
PIPE TYPE
ALLOWABLE TEMPERATURE °F
MARKING
D2665
DWV PIPE
158
ASTM D2665
D1785
SCH 40, 80, 120
158
ASTM D1785
D2241
SDR SERIES
158
ASTM D2241
CPVC
ASTM STANDARD
PIPE TYPE
ALLOWABLE TEMPERATURE °F
MARKING
D2846
CPVC 41
212
ASTM D2846
F441
SCH 40, 80
212
ASTM F441
F442
SDR SERIES
212
ASTM F442
ABS
ASTM STANDARD
PIPE TYPE
ALLOWABLE TEMPERATURE °F
MARKING
D2661 / CSA B181.1
SCH 40 or DWV
180
ASTM D2661
PolyPro® by DuraVent , Z-Dens by Novaflex Group, Innoflue® by Centrotherm, System 1738 by IPEX, and PolyFlue™ polypropylene venting
systems.
ASTM STANDARD
PIPE TYPE
ALLOWABLE TEMPERATURE °F
MARKING
N/A
N/A
230
ULC-S636