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SECTION 2
EXE-IOM-230112
6. A stainless steel adapter (not supplied) specific to vent manufacturer
type and material will be required. Refer to Table 7 or consult the venting
supplier for guidance.
TABLE 7 - FLUE GAS VENT ADAPTERS
Manufacturer & Type
DuraVent FasnSeal
HeatFab Saf-T Vent EZ Seal
HeatFab Saf-T Vent CI PLUS
Jeremias SWGV/DWGV
Metal-Fab Corr/Guard
Centrotherm InnoFlue
7. Adequate provision must be made to support the weight of the exhaust
venting. It must not be supported by the boiler exhaust connection.
8. Following the venting manufacturer's instructions for installation of flue
gas venting.
9. Horizontal runs must allow for flue gas condensate to drain back with a
minimum upward pitch of ¼" (7 mm) per foot (300 mm) run. Failure to
do so can create a condensate pocket, which can result in an inoperative
boiler. There must be no low spots in the exhaust vent, as this can also
result in a condensate pocket.
10. The boiler control will automatically disable the burner should the flue
gas temperature exceed the vent material limit setting. To prevent the
likelihood of approaching venting material limitations, it is suggested to
use AL 29-4C, 316L, or Polypropylene flue gas vent in applications where
return water temperatures will exceed 140°F.
11. If stack drains are installed, they must be installed per the requirements of
the flue gas vent manufacturer and pitched back to the drain, minimum
pitch of ¼" (7 mm) per foot (300 mm) run.
Common Flue Gas Venting Layouts
It is possible to combine the air intake and/or exhaust venting of multiple boilers.
The pressure drop across the entire common system, the combined total of both
air intake and exhaust, must comply with the draft pressure requirements for an
individual boiler, see Table 4.
Refer to Figure 12 and adhere to the following for installation:
1. Consult your venting supplier for guidance in designing common vented
installations. The system must be thoroughly evaluated by a professional
using accepted engineering practices to prevent backflow of exhaust
gases through idle boilers.
Questions? Please Contact Your Local Manufacturer's Representative
Part/Catalog Number
Stack Material
EXE-399/500
316 SS
FSAAU4B
316 SS
5401BOI
AL29-4C
CCA04ADUV
444
SWGV4-FULEXE SWGV6-FULEXE
AL29-4C
4CGIA2
Polypropylene
ISAEXE04
!
Fulton accepts no liability for installation
of any venting, including the selection of
venting materials. Maximum allowable
flue gas operating temperatures may
vary by manufacturer. Consult the
EXE-650/750
venting supplier for maximum allowable
temperatures.
FSAAU6B
5601BOI
Vent connectors serving appliances vented
CCA06ADUV
by natural draft shall not be connected into
any portion of mechanical draft systems
6FCSSBA
operating under positive pressure.
ISAEXE06
INSTALLATION
WARNING
2-23
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