6
Venting
RequirementsforTerminatingtheVenting
WARNING:Ventingterminalsmustnotbere-
cessedintoawallorsiding.
NOTE:OnlyPLventpipewallpass-throughs
andfirestopsshouldbeusedwhenventingthrough
combustiblematerials.
NOTE:Alwaystakeintoconsiderationtheef-
fecttheprevailingwinddirectionorotherwindcur-
rentswillcausewithflyashand/orsmokewhenplac-
ingthetermination.
Inaddition,thefollowingmustbeobserved:
A.Theclearanceabovegrademustbeamini-
mumof18".
1
B.Theclearancetoawindowordoorthatmay
beopenedmustbeaminimumof48".
1
(withoutsideairinstalled,18î)
C.A12"clearancetoapermanentlyclosed
windowisrecommendedtopreventcondensation
onthewindow.
D.Theverticalclearancetoaventilatedsoffit
locatedabovetheterminalwithinahorizontaldis-
tanceof2feet(60cm)fromthecenter-lineofthe
terminalmustbeaminimumof18".
E.Theclearancetoanunventilatedsoffitmust
beaminimumof12".
F.The clearance toan outside corner is11"
fromcenterofpipe.
G.Theclearancetoaninsidecorneris12".
H.Aventmustnotbeinstalledwithin3feet(90
cm)aboveameter/regulatorassemblywhenmea-
suredfromthehorizontalcenter-lineoftheregula-
tor.
1
I.Theclearanceto serviceregulatorventoutlet
mustbeaminimumof6feet.
1
J.Theclearancetoanon-mechanicalairsup-
plyinlettothebuildingorthecombustionairinletto
anyotherappliancemustbeaminimumof48î.
1
K.Theclearance toamechanicalair supply
inletmustbeaminimumof10feet.
1
(withoutsideairinstalled,6feet)
L.Theclearanceaboveapavedsidewalkora
paveddrivewaylocatedonpublicpropertymustbe
aminimumof7feet.
1,2
M.Theclearanceunderaveranda,porch,deck
orbalconymustbeaminimumof12inches.
1,3
NOTE:Theclearancetovegetationandother
exteriorcombustiblessuchas mulchis36îasmea-
suredfromthecenteroftheoutletorcap.This36î
radiuscontinuestogradeoraminimumof7feet
belowtheoutlet.
1
CertainCanadianandor Localcodesorregu-
lationsmayrequiredifferentclearances.
2
Aventshallnotterminatedirectlyaboveaside-
walkorpaveddrivewaywhichislocatedbetween
twosingle†familydwellingsandservesbothdwell-
ings.
3
Onlypermittedifveranda,porch,deck,orbal-
conyisfullyopenonaminimumof2sidesbeneath
thefloor.
NOTE: Where passage through a wall, or
partitionofcombustibleconstructionisdesired,
theinstallationshallconformtoCAN/CSA-B365.
(ifinCanada)
V
A
=Ventterminal
=Airsupplyinlet
Fixed
Closed
Openable
Openable
Fixed
Closed
InsideCorner
Detail
=Areawhereterminal isnotpermitted