Venting Materials For Flue/Exhaust Systems - Patterson-Kelley P-K STORM ST-8000 Installation And Owner's Manual

Venting Materials for Flue/Exhaust Systems

The P-K STORM boilers are dual certified as a Category II and
Category IV appliances, which vents with a temperature that is likely to
cause condensation in the vent. Therefore, any venting system used
®
with the P-K STORM boiler must comply with the requirements for
either Category II or Category IV venting systems as specified in the
latest edition of NFPA 54/ANSI Z223.1 in the US or the latest edition of
CAN/CSA B-149.1 in Canada.
CPVC Venting
US: CPVC pipe conforming to ASTM F441. Sch. 80 fittings
conforming to ASTM F439. Joints are to be sealed with
solvent conforming ASTM 493.
Canada: CPVC Pipe, Fitting and Sealant listed and
labeled to ULC S-636 Standard for Type BH Venting
Systems.
Polypropylene Venting
US and Canada: Polypropylene venting must be from
Centrotherm. When used, the same manufacturer's material
must be used throughout the system. It is not permissible to
use material from different manufacturers within the same
system.
Stainless Steel Venting
US and Canada: Stainless Steel venting must be Saf-T
Vent from Heatfab or FasNSeal from DuraVent. When
used, the same manufacturer's material must be used
throughout the system. It is not permissible to use material
from different manufacturers within the same system
Revised: February 2, 2024
Released: February 2, 2024
 Patterson-Kelley 2024
All Rights Reserved.
®
P-K Storm Gas Fired Boiler
Technical Service 1.877.728.5351
The venting materials listed are
intended for the venting of gas
burning appliances only. Do
not use these venting materials
for venting liquid or solid fuel
(such as oil, kerosene, wood,
or coal) appliances.
Maintain clearances to
combustibles as listed in the
vent manufacturer's
installation instructions or as
set forth in the codes and
standards listed in this section.
Do not use these vent pipes for
incinerators of any sort!
This boiler is not certified for
use with PVC venting. Use of
PVC venting may result in vent
failure and possible serious
injury or death.
2691000403 P-K Storm ST2500-ST8000
Installation and Owners Manual Rev G.docx
Page 11