22
REQUIREMENTS FOR THE COMMONWEALTH
OF MASSACHUSETTS
This product must be installed by a licensed plumber or gas
fi
tter when installed within the Commonwealth
of Massachusetts.
NOTE REGARDING VENTED PRODUCTS
Flex line installation must not exceed 36 inches and must have a T shutoff valve.
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, neither a naturally vented gas log nor a vent-free product may be installed in a bedroom or
bathroom in the State of Massachusetts.
All gas
fi
tting and installation of this heater shall only be done by a licensed gas
fi
tter or licensed plumber.
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 satis
fi
ed:
INSTALLATION OF CARBON MONOXIDE DETECTORS
At the time of installation of the side wall horizontal vented gas fueled equipment, the installing plumber
or gas
fi
tter shall observe that a 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 quali
fi
ed licensed
professionals for the installation of hard wired carbon monoxide detectors.
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. 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
detector with an alarm shall be installed.
APPROVED CARBON MONOXIDE DETECTORS
Each carbon monoxide detector as required in accordance with the above provisions shall comply with
NFPA 720 and ANSI/UL 2034 listed and IAS certi
fi
ed.
SIGNAGE
A metal or plastic identi
fi
cation 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 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, KEEP CLEAR OF ALL OBSTRUCTIONS”
.
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.
Exemptions
The following equipment is exempt from 248 CMR 5.08(2)(a)1 through 4:
• 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
• 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.