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4 AQ4 Manual
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1.4 Requirements for installation in
Massachusetts
Attention residents of the Commonwealth of
Massachusetts:
In the Commonwealth of Massachusetts the following
regulation went into effect on 12/30/2005:
(a) 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
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 gastter shall observe
that a hard wired carbon monoxide detector
with an alarm and battery back-up is installed on
the oor level where the gas equipment is to be
installed. In addition, the installing plumber or
gastter 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 back-up may be installed on the next
adjacent oor 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 (30) days to comply
with the above requirements; provided, how-
ever, that during said thirty (30) day period,
a battery operated carbon monoxide detec-
tor 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.
(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.
(c) MANUFACTURERS REQUIREMENTS – GAS
EQUIPMENT VENTING SYSTEM REQUIRED. When
the manufacturer of Product Approved side wall
horizontally mounted gas equipment provides a
venting system design or venting system components
with the equipment, the instructions provided by the
manufacturer for the installation of the equipment
and the venting shall include:
1. Detailed instructions for the installation of the
venting system or the venting system components:
and
2. A complete parts list for the venting system design
or venting system.
(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 the venting of 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.
(e) A copy of all installation instructions for all
products 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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