Harsco Industrial C1500H Installation & Owner's Manual page 19

This boiler is not certified for use with PVC venting. Use of PVC vent may result in vent failure and possible
serious injury or death.
Table of Acceptable Materials for Venting Systems
Table of Applicable Vent Materials
Country
Model
US
C1500H
US
C2000H
US
C2500
US
C3000
US
C4000
Canada
C1500H
Canada
C2000H
Canada
C2500
Canada
C3000
Canada
C4000
Note 2: When this material is used for venting, it must be listed to ULC-S636.
Note 3: When this material is used for venting, it must be listed to UL-1738.
AL29-4C 316L SS
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
CPVC
PVC
X
No
X
No
X
No
X
No
X
No
NOTE 2
No
NOTE 2
No
NOTE 2
No
NOTE 2
No
NOTE 2
No
19
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MACH
POLYPROPYLENE
NOTE 3
NOTE 3
NOTE 3
NOTE 3
NOTE 3
NOTE 2
NOTE 2
NOTE 2
NOTE 2
NOTE 2
Gas Fired Boiler