Fi d b b il & h B il M lFinned copper tube gas boilers & water heaters – Boiler Manual42FFNOTICE! Commonwealth of MassachusettsInstallation Requirements MACODE-3In the Commonwealth of Massachusetts, the installationmust be performed by a licensed plumber or gas fitter.1. For all side wall horizontally vented gas fueled equipmentinstalled in every dwelling, building or structure used in wholeor in part for residential purposes, including those owned oroperated by the commonwealth and where the side wall exhaustvent termination is less than seven (7) feet above finished grade,in the area of the venting, including but not limited to decks andporches, the following requirements shall be satisfied:d. INSTALLATION OF CARBON MONOXIDE DETECTORS. At thetime of installation of the side wall horizontal vented gasfueled equipment, the installing plumber or gasfitter shallobserve that a hard wired carbon monoxide detector with analarm and battery back-up is installed on the floor levelwhere the gas equipment is to be installed. In addition, theinstalling plumber or gasfitter shall observe that a batteryoperated or hard wired carbon monoxide detector with analarm is installed on each additional level of the dwelling,building or structure served by the side wall horizontalvented gas fueled equipment. It shall be the responsibility ofthe property owner to secure the services of qualifiedlicensed professionals for the installation of hard wiredcarbon monoxide detectors.i. In the event that the side wall horizontally vented gasfueled equipment is installed in a crawl space or an attic,the hard wired carbon monoxide detector with alarm andbattery back-up may be installed on the next adjacentfl oor level.ii. In the event that the requirements of this subdivision cannot be met at the time of completion of installation, theowner shall have a period of thirty (30) days to complywith the above requirements; provided, however, thatduring said thirty (30) day period, a battery operatedcarbon monoxide detector with an alarm shall beinstalled.e. APPROVED CARBON MONOXIDE DETECTORS. Each carbonmonoxide detector as required in accordance with the aboveprovisions shall comply with NFPA 720 and be ANSI/UL 2034listed and IAS certified.f. SIGNAGE. A metal or plastic identification plate shall bepermanently mounted to the exterior of the building at aminimum height of eight (8) feet above grade directly in linewith the exhaust vent terminal for the horizontally vented gasfueled heating appliance or equipment. The sign shall read,in print size no less than one-half (1/2) inch in size, “GAS VENTDIRECTLY BELOW. KEEP CLEAR OF ALL OBSTRUCTIONS”.g. INSPECTION. The state or local gas inspector of the side wallhorizontally vented gas fueled equipment shall not approvethe installation unless, upon inspection, the inspectorobserves carbon monoxide detectors and signage installedin accordance with the provisions of 248 CMR 5.08(2)(a)1through 4.Improper venting can result in excessive levels ofcarbon monoxide which can cause severe personalinjury or death!2. Exemptions — The following equipment is exempt from248 CMR 5.08(2)(a) 1 through 4:a. The equipment listed in Chapter 10 entitled “EquipmentNot Required To Be Vented” in the most current edition ofNFPA 54 as adopted by the Board; andb. Product Approved side wall horizontally vented gas fueledequipment installed in a room or structure separate fromthe dwelling, building or structure used in whole or in partfor residential purposes.3. MANUFACTURER REQUIREMENTS - GAS EQUIPMENT VENTINGSYSTEM PROVIDED.a. When the manufacturer of Product Approved side wallhorizontally vented gas equipment provides a ventingsystem design or venting system components with theequipment, the instructions provided by the manufacturerfor installation of the equipment and the venting systemshall include:i. Detailed instructions for the installation of the ventingsystem design or the venting system components; andii. A complete parts list for the venting system design orventing system.4. MANUFACTURER REQUIREMENTS – GAS EQUIPMENT VENTINGSYSTEM NOT PROVIDED.a. When the manufacturer of a Product Approved side wallhorizontally vented gas fueled equipment does not providethe parts for venting the flue gases, but identifies “specialventing systems”, the following requirements shall besatisfied by the manufacturer:i. The referenced “special venting system” instructionsshall be included with the appliance or equipmentinstallation instructions; andii. The “special venting systems” shall be Product Approvedby the Board, and the instructions for that system shallinclude a parts list and detailed installation instructions.5. A copy of all installation instructions for all Product Approvedside wall horizontally vented gas fueled equipment, allventing instructions, all parts lists for venting instructions,and/or all venting design instructions shall remain with theappliance or equipment at the completion of the installation.Improper venting can result in excessive levels ofcarbon monoxide which can cause severe personalinjury or death!