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Please read if installing in Massachusetts
Massachusetts requires manufacturers of Side
Wall Vented products to provide the following
information from the Massachusetts code:
• A hard wired carbon monoxide detector with
an alarm and battery back-up must be installed
on the floor level where the gas equipment is to
be installed AND on each additional level of the
dwelling, building or structure served by the side
wall horizontal vented gas fueled equipment.
• In the event that the side wall horizontally vented
gas fueled equipment is installed in a crawl space
or an attic, the hard wired carbon monoxide
detector with alarm and battery back-up may be
installed on the next adjacent floor level.
• Detector(s) must be installed by qualified licensed
professionals.
• APPROVED CARBON MONOXIDE 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) ft
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) in. 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) ft 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
product installed in a room or structure separate
from the dwelling, building or structure used in
whole or in part for residential purposes.
• This installation manual shall remain with the
product at the completion of the installation.
See the latest edition of Massachusetts Code
248 CMR for complete verbiage 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.
4
Before Installation
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