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NOTE REGARDING VENTED PRODUCTS
This product must be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of
Massachusetts.
Any residence with a direct vent product must have a CO detector installed in the residence.
Installation of the fi replace or vented gas log in the State of Massachusetts requires the damper to be permanently
removed or welded in the fully open position.
In addition, a naturally vented gas log may not be installed in a bedroom or bathroom in the State of
Massachusetts.
Flex line installation must not exceed 36 inches and must have a T shutoff valve.
NOTE REGARDING VENT FREE PRODUCTS
This product must be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of
Massachusetts.
In addition, vent free products may not be installed in a bedroom or bathroom regardless of size or type in the
State of Massachusetts.
Flex line installation must not exceed 36 inches and must have a T shutoff valve.
CARBON MONOXIDE DETECTOR REQUIREMENTS
(2) Revise 10.8.3 by adding the following additional requirements:
(a) For all side wall horizontally vented gas fueled equipment 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 fi nished grade in the area
of the venting, including but not limited to decks and porches, the following requirements shall be satisfi ed:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS. At the time of installation of the side wall hori-
zontal vented gas fueled equipment, the installing plumber or gasfi tter shall observe that a hard wired
carbon monoxide detector with an alarm and battery back-up is installed on the fl oor level where the gas
equipment is to be installed. In addition, the installing plumber or gasfi tter 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 side wall horizontal vented gas fueled equipment. It shall be
the responsibility of the property owner to secure the services of qualifi ed licensed professionals for the
installation 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 attic, the hard wired carbon monoxide detector with alarm and battery back-up may 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 completion of
installation, 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 battery operated carbon monoxide detec-
tor with an alarm shall be installed.
MASSACHUSETTS RESIDENTS ONLY:
PLEASE READ AND FOLLOW THESE
SPECIAL REQUIREMENTS