DETECTORS: Each carbon monoxide detector
shall comply with NFPA 720 and be ANSI/UL
2034 listed and IAS certified.
•
SIGNAGE: A metal or plastic identification plate
shall be permanently mounted to the exterior of
the building at a minimum height of eight (8) feet
above grade directly in line with the exhaust vent
terminal for the horizontally vented gas fueled
heating appliance or equipment. The sign shall
read, in print size no less than one-half (1/2) inch
in size, “GAS VENT DIRECTLY BELOW.
KEEP CLEAR OF ALL OBSTRUCTIONS”.
•
EXEMPTIONS to the requirements listed above:
°
The above requirements do not apply if the
exhaust vent termination is seven (7) feet or
more above finished grade in the area of the
venting, including but not limited to decks and
porches.
°
The above requirements do not apply to a
boiler installed in a room or structure separate
from the dwelling, building or structure used in
whole or in part for residential purposes.
•
This boiler installation manual shall remain with
the boiler at the completion of the installation.
See the latest edition of Massachusetts Code 248 CMR
for complete verbage and also for additional (non-vent
related) requirements (248 CMR is available online).
If your installation is NOT in Massachusetts, please
see your authority of jurisdiction for requirements that
may be in effect in your area. In the absence of such
requirements, follow the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 and/or CAN/CSA B149.1,
Natural Gas and Propane Installation Code.
Venting System Installation Instructions – See
boiler manual and instructions provided with the
Venting System components. Additional copies may
be obtained from the Venting System Manufacturer by
visiting the following web addresses:
Heat-Fab – www.selkirkcorp.com/heatfab
Z-Flex – www.NovaFlex.com
Pro-Tech – www.protechinfo.com
3
PREINSTALLATION
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