33
Commonwealth of Massachusetts
SECTION V - COMMONWEALTH OF MAS-
SACHUSETTS
INSTALLATIONS WITH SIDE WALL VENT
TERMINATION ELEVATION AT OR BELOW 4
FEET OF GRADE:
The following instructions apply to the installation of
a side wall vented appliance whose vent termination
and combustion air inlet when applicable is 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 bed-
rooms shall comply with NFPA 720 (2005 edi-
tion).
2.
A carbon monoxide detector and alarm shall be
installed in the mechanical room in which the side
wall vented appliance is located. The carbon monox-
ide 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 side wall
vented appliance must meet ANSI/UL 2034 stan-
dards 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 cmr.
3.
The side wall 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 when applicable shall be in strict compliance
with the installation instructions provided with the
appliance.
The installer must leave the appliance installa-
tion manual and any documentation regarding
the installation of the venting, vent termination
and combustion air inlet when applicable with
the appliance upon completion of the installa-
tion.
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 when applica-
ble. The identification plate shall read
“Gas Vent
Directly Below”
. The size of the plate and lettering
shall be of sufficient size to be easily read from a dis-
tance of 8 feet.
NOTICE
NOTICE
