17
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
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 (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 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. 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:
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. 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
Side Wall Vent Kit
This kit is to be used with 2” or 3” direct vent systems.
The vent kit must terminate outside the structure and may
be installed with the intake and exhaust pipes located
side-by-side or with one pipe above the other. These kits
are
NOT
intended for use with single pipe (indirect vent)
installations.
Refer to the directions furnished with the Side Wall
Vent Kit (p/n 0170K00000S or 0170K00001S) for
installation specifications.
Ve rtica l Installation
H orizontal Installation
Figure 21
SPECIAL INSTRUCTIONS FOR
PRODUCTS INSTALLED IN THE STATE 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:
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
