Installation Requirements Specific To The State Of Massachusetts For Direct Vent, Mechanical Vent, And Domestic Hot Water Appliances - Napoleon 9700 SERIES Installation And Operating Instructions Manual

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2.3 INSTALLATION REQUIREMENTS SPECIFIC TO THE STATE OF
MASSACHUSETTS FOR DIRECT VENT, MECHANICAL VENT, AND
DOMESTIC HOT WATER APPLIANCES.
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 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. INSTALLATION OF CARBON MONOXIDE DETECTORS:
At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber
or gasfi 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 gasfi 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 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
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 ANS/UL 2034 listed and IAS certifi ed.
3. SIGNAGE:
A metal or plastic identifi cation 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 5.0(2)(a)1. through 4.:
5. 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 NFPA54 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.
6. (A) 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.
W415-1064 / 11.11.11