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Part number 550-100-400/0119
65
Venting/air piping — Massachusetts installations
®
Series 4
gas-fired water boiler — Boiler Manual
(a) For all sidewall 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 fi nished grade in the area of the venting, including but
not limited to decks and porches, the following requirements
shall be satisfi ed:
1.
. At the time of installation of the side wall horizon-
tal vented gas fueled equipment, the installing plumber or
gas fi tter shall observe that a hard wired carbon monoxide
detector with an alarm and battery back-up is installed on
the fl oor level where the gas equipment is to be installed.
In addition, the installing plumber or gas fi tter shall
observe that a battery operated or hard wired carbon
monoxide detector with an alarm is installed on each ad-
ditional 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 qualifi ed 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 fl oor level.
b. In the event that the requirements of this subdivision
can not be met at the time of completion of installa-
tion, 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.
. 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 certifi ed.
3.
. A metal or plastic identifi cation plate shall
be permanently mounted to the exterior of the build-
ing 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 BE-
LOW. KEEP CLEAR OF ALL OBSTRUCTIONS.”
4.
. 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)
: 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)
. When the manufacturer of
Product Approved side wall horizontally vented gas equip-
ment 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.
(d)
. When the manufac-
turer of a Product Approved side wall horizontally vented gas
fueled equipment does not provide the parts for venting the
fl ue gases, but identifi es “special venting systems”, the follow-
ing requirements shall be satisfi ed 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 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.
Instructions for the
Commonwealth of Massachusetts
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