KCM Series Manual 63
NOTICE BEFORE INSTALLATION This direct-vent appliance must be installed by a licensed professional. If you are not
properly trained, you must not install this unit.
For all side wall horizontally vented gas fueled equipment installed in every dwelling, building or structure used in
whole or in part for residenal purposes, including those owned or operated by the Commonwealth and where the side wall
exhaust vent terminaon is less than seven (7) feet above nished grade in the area of the venng, including but not limited
to decks and porches, the following requirements shall be sased:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the me of installaon of the side wall horizontal vented gas
fueled equipment, the installing plumber or gaser shall observe that a hard wired carbon monoxide detector with an
alarm and baery back-up is installed on the oor level where the gas equipment is to be installed. In addion, the
installing plumber or gaser shall observe that a baery operated or hard wired carbon monoxide detector with an
alarm is installed on each addional 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 qualied licensed
professionals for the installaon 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 ac, the
hard wired carbon monoxide detector with alarm and baery back-up may be installed on the next adjacent oor
level.
b. In the event that the requirements of this subdivision can not be met at the me of compleon of installaon, 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 baery 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 cered.
3. SIGNAGE. A metal or plasc idencaon 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 heang appliance or equipment. The sign shall read, in print size no less than one-half (1/2) inch in size,
4. INSPECTION. The state or local gas inspector of the side wall horizontally vented gas fueled equipment shall not
approve the installaon unless, upon inspecon, the inspector observes carbon monoxide detectors and signage
installed in accordance with the provisions of 248 CMR 5.08(2)(a)1 through 4.
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