38746-0-0118
Page 15
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
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 back-up 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. 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.
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
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 feet above grade
directly in line with the exhaust vent terminal for the
horizontally vented gas fueled heating fireplace 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
“
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.
(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 flue gases, but identifies
“
special venting
systems
”
, the following requirements shall be
satisfied by the manufacturer:
1. The referenced
“
special venting system
”
instructions shall be included with the fireplace
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 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 fireplace or
equipment at the completion of the installation.
REQUIREMENTS FOR MASSACHUSETTS
