Specifications

30259-0-0212 Page 5
REQUIREMENTS FOR MASSACHUSETTS
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 nished grade in the area of
the venting, including but not limited to decks and porches, the
followingrequirementsshallbesatised:
1. INSTALLATION OF CARBON MONOXIDE DETECTORS.
At the time of installation of the side wall horizontalvented
gasfueledequipment,theinstallingplumberorgasttershall
observethatahardwiredcarbonmonoxidedetectorwithan
alarmandbatteryback-upisinstalledontheoorlevelwhere
thegasequipmentistobeinstalled.Inaddition,theinstalling
plumber or gas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quali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
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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certied.
3. SIGNAGE. A metal or plastic identi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”.
4. 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.
 (b) EXEMPTIONS:Thefollowingequipmentisexemptfrom
248CMR5.08(2)(a)1through4:
  1. 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
  2. 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.
 (d) MANUFACTURER REQUIREMENTS - GAS
EQUIPMENT VENTING SYSTEM NOT PROVIDED.
When the manufacturer of a Product Approved side
wallhorizontally ventedgas fueledequipment doesnot
providethepartsforventingtheuegases,butidenties
“special venting systems”, the following requirements
shallbesatisedbythemanufacturer:
  1. Thereferenced“specialventingsystem”instructions
shall be included with the appliance or equipment
installationinstructions;and
  2. The “special venting systems” shall be Product
Approved by the Board, and the instructions for
that system shall include a parts list and detailed
installation instruction.
 (e) A copy of all installation instructions for all Product
Approved side wall horizontally vented gas fueled
equipment, all venting instructions, all parts lists for
ventinginstructions,and/orallventingdesigninstructions
shall remain with the appliance or equipment at the
completionoftheinstallation.
Sate of Massachusetts: The installation must be made
by a licensed plumber or gas tter in the Commonwealth of
Massachusetts.