Operating instructions

Safety & Warning Information

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.

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 ﬂ ue gases, but

identiﬁ es “special venting systems”, the following 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.

State of Massachusetts Carbon Monoxide Detector/Vent Terminal Signage

Requirements - Cont.

Massachusetts