CONQUEST
®
WATER HEATER
58
PV500-70 10/15
21.
Requirements for the Commonwealth of Massachusetts:
This equipment complies with Massachusetts State Fuel Gas and Plumbing Codes CMR 248 3.00-10.00 as amended.
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 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 cannot 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 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.
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 product approved side wall horizontally vented gas fueled equipment does not provide the parts for the venting of 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 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. Detailed installation instructions and parts list are available online for the
following venting systems for use on this equipment:
Heat Fab Website – Saf-T-Vent EZ-Seal Installation & Maintenance Instructions
http://www.heatfab.com/products/saf-t-
vent/saf-t-vent-ez-seal.asp?xid=x1
Metal-Fab Website – Metal-Fab CORR/GUARD Installation & Maintenance Instructions
http://www.metal-fabcommercial.com/content/products/corr_guard
Selkirk Metalbestos Website – Saf-T-Vent EZ-Seal (same as Heat Fab) Installation & Maintenance Instructions
http://www.selkirkusa.com/products/venting.aspx
e) Relief valve must be installed and plumbed in accordance with the authority having jurisdiction. Massachusetts 248 CMR
requires relief valve discharge 12 inches off finished floor
f) A copy of all installation instructions for all 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.
