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iN199 Requirements for State of Massachusetts 66
November 2021 - Revision 00
17. Requirements for State of Massachusetts
17.1 Notice Before Installation
This appliance must be installed by a licensed plumber or gas
fitter in accordance with the Massachusetts Plumbing and
Fuel Gas Code 248 CMR Sections 2.00 and 5.00.
IMPORTANT: In the State of Massachusetts (248 CMR 4.00
& 5.00)
For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in whole
or in part for residential purposes, including those owned
or operated by the Commonwealth and where the side wall
exhaust vent termination is less than seven (7) feet above
finished grade in the area of the venting, including but not
limited to decks and porches, the following requirements shall
be satisfied:
1.
INSTALLATION OF CARBON MONOXIDE
DETECTORS.
At the time of installation of the side wall horizontal
vented gas fueled equipment, the installing plumber
or gasfitter shall observe that a hard wired carbon
monoxide detector with an alarm and battery backup
is installed on the floor level where the gas equipment
is to be installed. In addition, the installing plumber
or gasfitter shall observe that a battery operated or
hard wired carbon monoxide detector with an alarm is
installed on each additional level of the dwelling, building,
or structure served by the side wall horizontal vented
gas fueled equipment. It shall be the responsibility of
the property owner to secure the services of qualified
licensed professionals for the installation of hard wired
carbon monoxide detectors.
a. If 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 can be installed on the next adjacent
floor level.
b. If the requirements of this subdivision cannot be met
at the time of completion of installation, the owner
shall have a period of thirty (30) days to comply with
the above requirements; provided, however, that
during said thirty (30) day period, a battery operated
carbon monoxide detector with an alarm shall be
installed.
2.
APPROVED CARBON MONOXIDE DETECTORS.
Each carbon monoxide detector, as required in
accordance with the above provisions, shall comply with
NFPA 720 and be ANSI/UL 2034 listed and IAS certified.
3.
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”.
4.
INSPECTION.
The state or local gas inspector of the side wall
horizontally vented gas fueled equipment shall not
approve the installation unless, upon inspection, the
inspector observes carbon monoxide detectors and
signage installed in accordance with the provisions of 248
CMR 5.08(2)(a)1 through 4.
Summary of Contents for iN199
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