35362-3-1015
Page 62
REQUIREMENTS FOR MASSACHUSETTS
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 feet
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not limited to decks and porches, the following requirements
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1.
INSTALLATION OF CARBON MONOXIDE
DETECTORS. At the time of installation of the side wall
horizontal vented gas fueled equipment, the installing
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carbon monoxide detector with an alarm and battery
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equipment is to be installed. In addition, the installing
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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
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installation of hard wired carbon monoxide detectors
a. 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
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b. In the event that the requirements of this subdivision
can not be met at the time of completion of
installation, the owner shall have a period of thirty
days to comply with the above requirements;
provided, however, that during said thirty 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
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permanently mounted to the exterior of the building at a
minimum height of eight feet above grade directly in line
with the exhaust vent termination for the horizontally
vented gas fueled heating appliance or equipment. The
sign shall read, in print size no less than 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.
(b) EXEMPTIONS: The following equipment is exempt
from 248 CMR 5.08(2)(a)1 through 4:
1. The equipment listed in Chapter 10 entitled
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most current edition of NFPA 54 as adopted by
the Board; and
2.
Product
Approved
side
wall
horizontally
vented
gas fueled equipment installed in a room or
structure separate from the dwelling, building or
structure used in whole or in part for residential
purposes.
(d)
MANUFACTURER REQUIREMENTS - GAS
EQUIPMENT VENTING SYSTEM NOT
PROVIDED. When the manufacturer of a Product
Approved side wall horizontally vented gas fueled
equipment does not provide the parts for venting the
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manufacturer:
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instructions shall be included with the appliance
or equipment installation instructions; and
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Approved by the Board, and the instructions
for that system shall include a parts list and
detailed installation instruction.
(e) A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled
equipment, all venting instructions, all parts lists
for venting instructions, and/or all venting design
instructions shall remain with the appliance or
equipment at the completion of the installation.
