SERIES 8800 & 8900 INSTALLATION AND OPERATING INSTRUCTIONSPage 44MACODE-3NOTICE!Commonwealth of MassachusettsInstallation Requirements(a) For all side wall horizontally vented gas fueled equipment installed in every dwelling, buildingor structure used in whole or in part for residential purposes, including those owned oroperated by the commonwealth and where the side wall exhaust vent termination is less thanseven (7) feet above finished grade, in the area of the venting, including but not limited todecks and porches, the following requirements shall be satisfied:1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wallhorizontal vented gas fueled equipment, the installing plumber or gasfi tter shall observe that a hardwired carbon monoxide detector with an alarm and battery back-up is installed on the floor levelwhere the gas equipment is to be installed. In addition, the installing plumber or gasfitter shallobserve that a battery operated or hard wired carbon monoxide detector with an alarm is installedon each additional level of the dwelling, building or structure served by the side wall horizontalvented gas fueled equipment. It shall be the responsibility of the property owner to secure theservices of qualified licensed professionals for the installation of hard wired carbon monoxidedetectors.a. In the event that the side wall horizontally vented gas fueled equipment is installed in a crawlspace or an attic, the hard wired carbon monoxide detector with alarm and battery back-upmay 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 completionof installation, the owner shall have a period of thirty (30) days to comply with the aboverequirements; provided, however, that during said thirty (30) day period, a battery operatedcarbon monoxide detector with an alarm shall be installed.2. APPROVED CARBON MONOXIDE DETECTORS. Each carbon monoxide detector as required inaccordance with the above provisions shall comply with NFPA 720 and be ANSI/UL 2034 listedand IAS certified.3. SIGNAGE. A metal or plastic identifi cation plate shall be permanently mounted to the exterior ofthe building at a minimum height of eight (8) feet above grade directly in line with the exhaust ventterminal 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. KEEPCLEAR OF ALL OBSTRUCTIONS”.4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueledequipment shall not approve the installation unless, upon inspection, the inspector observescarbon monoxide detectors and signage installed in accordance with the provisions of 248 CMR5.08(2)(a)1 through 4.WARNING: Improper venting can result in excessive levels of carbon monoxide whichcan cause severe personal injury or death!