
eat l • D • 1- e. • /18
H. Requirementsfor theCommonwealth of
Massachusetts
r all side wall hrintall ented gas fueled euiment
installed in eer dwelling building r structure used in
whle r in art fr residential urses including thse
wned r erated b the mmnwealth and where the
side wall exhaust ent terminatin is less than seen 7
feet abe nished grade in the area f the enting in-
cluding but nt limited t decks and rches the fllwing
reuirements shall be satised
InstallationofCarbonMonoxideDetectors
t the time f installatin f the side wall hrintal ented
gas fueled euiment the installing lumber r gas tter
shall bsere that a hard wired carbn mnxide detectr
with an alarm and batter back-u is installed n the r
leel where the gas euiment is t be installed. In addi-
tin the installing lumber r gas tter shall bsere that
a batter erated r hard wired carbn mnxide detec-
tr with an alarm is installed n each additinal leel f
the dwelling building r structure sered b the side wall
hrintal ented gas fueled euiment. It shall be the
resnsibilit f the rert wner t secure the serices
f ualied licensed rfessinals fr the installatin f
hard wired carbn mnxide detectrs.
In the eent that the side wall hrintall ented gas fu-
eled euiment is installed in a crawl sace r an attic
the hard wired carbn mnxide detectr with alarm and
batter back-u ma be installed n the next adacent
r leel.
In the eent that the reuirements f this subdiisin can
nt be met at the time f cmletin f installatin the
wner shall hae a erid f thirt das t cml
with the abe reuirements rided hweer that dur-
ing said thirt da erid a batter erated carbn
mnxide detectr with an alarm shall be installed.
ApprovedCarbonMonoxideDetectors
ach carbn mnxide detectr as reuired in accr-
dance with the abe risins shall cml with P
7 and be I/ 4 listed and I certied.
Signage
metal r lastic identicatin late shall be ermanent-
l munted t the exterir f the building at a minimum
height f eight feet abe grade directl in line with the
exhaust ent terminal fr the hrintall ented gas fu-
eled heating aliance r euiment. he sign shall read
in rint sie n less than ne-half 1/ in. in sie “GAS
VENTDIRECTLYBELOW.KEEPCLEAROFALLOB-
STRUCTIONS”.
Inspection
he state r lcal gas insectr f the side wall hrin-
tall ented gas fueled euiment shall nt are the
installatin unless un insectin the insectr b-
seres carbn mnxide detectrs and signage installed
in accrdance with the risins f 4 .a1
thrugh 4.
Exemptions
he fllwing euiment is exemt frm 4
.a1 thrugh 4
• he euiment listed in hater 1 entitled uiment
t euired e Vented in the mst current editin
f P 4 as adted b the ard and
• Prduct red side wall hrintall ented gas fu-
eled euiment installed in a rm r structure searate
frm the dwelling building r structure used in whle r
in art fr residential urses.
MANUFACTURERREQUIREMENTS
GasEquipmentVentingSystemProvided
hen the manufacturer f Prduct red side wall
hrintall ented gas euiment rides a enting
sstem design r enting sstem cmnents with the
euiment the instructins rided b the manufacturer
fr installatin f the euiment and the enting sstem
shall include
• Detailed instructins fr the installatin f the enting
sstem design r the enting sstem cmnents and
• cmlete arts list fr the enting sstem design r
enting sstem.
GasEquipmentVentingSystemNOTProvided
hen the manufacturer f a Prduct red side wall
hrintall ented gas fueled euiment des nt r-
ide the arts fr enting the ue gases but identies
secial enting sstems the fllwing reuirements
shall be satised b the manufacturer
• he referenced secial enting sstem instructins
shall be included with the aliance r euiment in-
stallatin instructins and
• he secial enting sstems shall be Prduct -
red b the ard and the instructins fr that ss-
tem shall include a arts list and detailed installatin
instructins.
c f all installatin instructins fr all Prduct -
red side wall hrintall ented gas fueled eui-
ment all enting instructins all arts lists fr enting
instructins and/r all enting design instructins shall
remain with the aliance r euiment at the cmletin
f the installatin.
SeeGasConnectionsectionforadditionalCommon-
wealthofMassachusettsrequirements.
Note:he fllwing reuirements reference arius
assachusetts and natinal cdes nt cntained in this
dcument.