507581-04Page 60 of 60 Issue 2128
Requirements for Commonwealth of Massachusetts
Modications to NFPA-54, Chapter 10
Revise NFPA-54 section 10.8.3 to add the following
requirements:
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 the nished grade in the area of the venting,
including but not limited to decks and porches, the following
requirements shall be satised:
1. INSTALLATION OF CARBON MONOXIDE
DETECTORS. At the time of installation of the side
wall, horizontally vented, gas-fueled equipment, the
installing plumber or gas tter shall observe that a
hard-wired carbon monoxide detector with an alarm
and battery backup is installed on the oor level where
the gas equipment is to be installed. In addition, the
installing plumber or gas tter 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 qualied licensed professionals
for the 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 backup may be
installed on the next adjacent oor level.
b. In the event that 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
certied.
3. SIGNAGE. A metal or plastic identication 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.
EXEMPTIONS: The following equipment is exempt
from 24 CMR 5.08(2)(a) 1 through 4:
1. 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
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.
MANUFACTURER REQUIREMENTS - GAS EQUIPMENT
VENTING SYSTEM PROVIDED.
When the manufacturer of Product Approved side wall,
horizontally vented, gas-fueled 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:
1. Detailed instructions for the installation of the venting
system design or the venting system components: and
2. A complete parts list for the venting system design or
venting system.
MANUFACTURER REQUIREMENTS - GAS EQUIPMENT
VENTING SYSTEM NOT PROVIDED.
When the manufacturer of Product Approved sidewall,
horizontally vented, gas-fueled equipment does not
provide the parts for venting the ue gases, but identies
“special venting systems,” the following requirements shall
be satised by the manufacturer:
1. The referenced “special venting system” instructions
shall be included with the appliance or equipment
installation instructions; and
2. 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.
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