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Commonwealth of massachusetts, Installation of carbon monoxide detectors, Approved carbon monoxide detectors – American Water Heater VG6250T100 User Manual

Page 22: Signage, Exemptions

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22

coMMonwealth of Massachusetts

For all side wall terminated, horizontally vented power vent, direct

vent, and power direct vent gas fueled water heaters 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:

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 sidewall

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.

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.

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 that during said thirty (30) day period, a battery operated

carbon monoxide detector with an alarm shall be installed.

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 CSA certified.

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.”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

InstallatIon requIreMents - coMMonwealth of Massachusetts

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.

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.

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 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.

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.