37
Commonwealth of Massachusetts
SECTION VI - COMMONWEALTH OF
MASSACHUSETTS
Installations with the Direct Vent Termination
Elevation At or Below 4 feet of Grade:
The following instructions apply to the installation of
a direct vented appliance whose vent termination
and combustion air inlet are installed at or below a
four foot elevation (above the grade).
1. If not already present in the structure of the building,
a carbon monoxide detector and alarm must be
installed in the living area outside the bedroom(s).
The carbon monoxide detector and alarm is provid-
ed by the installer.
The carbon monoxide detector and alarm installed in
the living space outside the bedrooms shall comply
with NFPA 720 (2005 edition).
2. A carbon monoxide detector and alarm shall be
installed in the mechanical room in which the direct
vent appliance is located. The carbon monoxide
detector and alarm shall:
•
Be installed on the same 120 volt service circuit
as the appliance such that only one service
switch services both the appliance and the car-
bon monoxide detector.
•
Provide battery back-up power in case of power
failure
NOTICE
NOTICE
The carbon monoxide detector and alarm installed
within the same room as the direct vent appliance
must meet ANSI/UL 2034 standards and comply with
NFPA 720 (2005 edition). The carbon monoxide
detector and alarm must be tested, approved and
listed with a Nationally Recognized Testing Lab as
recognized under 527 cm.
3. The direct vent termination must be approved for the
appliance and when applicable the combustion air
inlet must be approved for the appliance.
Installation of the vent termination and combustion
air inlet shall be in strict compliance with the instal-
lation instructions provided with the appliance.
The installer must leave the appliance installation
manual and any documentation regarding the instal-
lation of the venting, vent termination and combus-
tion air inlet with the appliance upon completion of
the installation.
4. A metal or plastic identification plate (provided by the
installer) must be mounted on the exterior wall of the
building 4 feet directly above the location of the vent
termination and combustion air inlet. The identifica-
tion plate shall read
“Gas Vent Directly Below”
.
The size of the plate and lettering shall be of suffi-
cient size to be easily read from a distance of 8 feet.
NOTICE
NOTICE
Summary of Contents for Prestige CPVC
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