COMMONWEALTH OF MASSACHUSETTS
NOTE:
The following requirements reference various Massachusetts and national codes not contained in this document.
REQUIREMENTS FOR THE COMMONWEALTH OF 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 (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:
INSTALLATION OF CARBON MONOXIDE DETECTORS
At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber or gas fitter shall observe that a hard
wired carbon monoxide detector with an alarm and battery bak-up is installed on the floor where the gas equipment is to be installed. In
addition, the installing plumber or gas fitter 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 horizontally 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.
In the event that the side wall horizontally vented gas fueled equipment is installed 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.
In the event that the requirements of the subdivision can not be met at the time 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.
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.
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 (½) inch in size,
“GAS VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.
INSPECTION
The state of 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.
EXEMPTIONS
The following equipment is exempt from 248 CMR 5.08 (2) (a) 1 through 4.
•
The equipment listed in Chapter 10 entitled “Equipment Not Required To Be Vented” in the most current edition of NFPA 54 as adopted
by the Board; and
•
Product Approved side wall horizontally vented gas fueled equipment installed in a room or structure separated from the dwelling,
building or structure used in whole or in part for residential purposes.
MANUFACTURER REQUIREMENTS
GAS EQUIPMENT VENTING SYSTEM PROVIDED
When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting
system components with the equipment, the instructions provided by the manufacturer for installation of the equipment and the venting
system shall include:
•
Detailed instructions for the installation of the venting system design or the venting system components; and
•
A complete parts list for the venting system design or venting system.
GAS EQUIPMENT VENTING NOT PROVIDED
When the manufacturer of Product Approved side wall horizontally vented gas equipment provides a venting system design or venting
system components with the equipment, the instructions provided by the manufacturer for installation of the equipment and the venting
system shall include:
•
The referenced “special venting system” instructions shall be included with the appliance or equipment installation instructions; and
•
The “special venting systems” shall be Product Approved by the Board, and the instructions for that system shall include a parts list and
detailed installation instructions.
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.
•
Installation and repair must be done by a plumber or gas fitter licensed in the Commonwealth of Massachusetts.
•
The flexible gas line connector used shall not exceed 36 inches (92 centimeters) in length.
•
The individual manual shut-off must be a T-handle type.
