Vent Terminal Location
GF<=FK9L= ;9F >J==R= GF L@= N=FL ;9H #JGR=F
;GF<=FK9L=GFL@=N=FL;9H;9FJ=KMDLAF9:DG;C=<
>DM=;GF<ALAGF
$AN= KH=;A9D 9LL=FLAGF LG L@= DG;9LAGF G> L@= N=FL
L=JEAF9LAGF LG 9NGA< HGKKA:ADALQ G> HJGH=JLQ <9E
9?=GJH=JKGF9DAFBMJQ
$9K=K E9Q >GJE 9 O@AL= N9HGJ HDME= AF OAFL=J
1@=HDME=;GMD<G:KLJM;L9OAF<GONA=OA>L@=L=J
EAF9LAGFAKAFKL9DD=<F=9JOAF<GOK
1@=:GLLGEG>L@=N=FLL=JEAF9D9F<L@=9AJAFL9C=
K@9DD:=DG;9L=<9LD=9KLAF9:GN=?J9<=AF;DM<
AF?FGJE9DKFGODAF=
NOTE: !MJAF? OAFL=J EGFL@K ;@=;C L@= N=FL ;9H
9F<E9C=KMJ=FG:DG;C9?=G;;MJK>JGE:MAD<MHG>
KFGOGJA;=
Support of Vent Stack
1@=O=A?@LG>L@=N=FLKL9;CGJ;@AEF=QEMKLFGLJ=KL
GFL@=@=9L=JN=FL;GFF=;LAGF 0MHHGJLEMKL:= HJG
NA<=< AF ;GEHDA9F;= OAL@ 9HHDA;9:D= ;G<=K 1@= N=FL
K@GMD<9DKG:=AFKL9DD=<LGE9AFL9AFHJGH=J;D=9J9F;=K
>JGE ;GE:MKLA:D= E9L=JA9DK 2K= AFKMD9L=< N=FL HAH=
KH9;=JK O@=J= L@= N=FL H9KK=K L@JGM?@ ;GE:MKLA:D=
JGG>K9F<O9DDK
4@=FMKAF?-3 GJ -3 N=FLAF?GFEG<=DK
9F<AFK=JLL@=N=FLHAH=AF;@=KAFLGL@=
>DM=GMLD=L9F<HJGNA<=JA?A<KMHHGJLLGL@=N=FLKGL@9L
ALOADDFGLK@A>LD9L=J9DDQ
0AF?D=O9DD 9L=?GJQ&3E=L9DN=FL HAH=K@9DDFGL
:=MK=<GML<GGJKAF;GD<;DAE9L=K>GJN=FLAF??9K
>AJ=<=IMAHE=FLOAL@GMLAFKMD9LAGF
1@JGM?@L@=O9DD N=FLK >GJ 9L=?GJQ &3 9HHDA
9F;=KK@9DDFGLL=JEAF9L=GN=JHM:DA;O9DCO9QKGJ
GN=J 9F 9J=9 O@=J= ;GF<=FK9L= GJ N9HGJ ;GMD<
;J=9L=9FMAK9F;=GJ@9R9J<GJ;GMD<:=<=LJAE=F
L9DLGL@=GH=J9LAGFG>J=?MD9LGJKJ=DA=>N9DN=KGJ
GL@=J=IMAHE=FL
)G;9L=9F<?M9J<N=FLL=JEAF9LAGFLGHJ=N=FL9;;A
<=FL9D;GFL9;L:QH=GHD=GJH=LK
!,+,1L=JEAF9L=N=FLAFOAF<GOO=DDKL9AJO=DD
9D;GN=;GMJLQ9J<GJGL@=JJ=;=KK=<9J=9
!, +,1 L=JEAF9L= 9:GN= 9FQ <GGJ OAF<GO GJ
?J9NALQ9AJAFL9C= GF<=FK9L=;9F>J==R=;9MKAF?
A;=>GJE9LAGFK
)G;9L=GJ?M9J<N=FLLGHJ=N=FL;GF<=FK9L=>JGE
<9E9?AF? =PL=JAGJ >AFAK@=K 2K= 9 K=JA=K
KL9AFD=KK KL==D :9;CAF? HD9L= 9?9AFKL :JA;C GJ
E9KGFJQKMJ>9;=K
!, +,1 =PL=F< =PHGK=< N=FL HAH= GMLKA<= G>
:MAD<AF? :=QGF< L@= EAFAEME <AKL9F;= J=IMAJ=<
>GJL@=N=FLL=JEAF9LAGF GF<=FK9L=;GMD<>J==R=
9F<:DG;CN=FLHAH=
NOTE: 4@=F MKAF? PVC “T” vent termination
AFK=JLL@=LOGJGMF<KL9AFD=KKE=K@K;J==FKHJGNA<
=<OAL@L@=MFALAFLGL@=L==
Combustion
A
ir Supply
Exhaust
C
onfiguration
Heater Venting
C
ategory
Certified Vent
M
aterials
Combustion Air
I
nlet Material
#
JGE&FKA<=MAD<AF?
+GF!AJ=;L3=FLAF?
3=JLA;9D3=FLAF?
&3
9F9<9,FDQ2)
0
-3 9F< -3
0L9AFD=KK0L==D
)
0;@-3 GJ -3
-GDQHJGHQD=F=
%GJARGFL9D1@JGM?@
L@=49DD3=FLAF?
#JGE,MLKA<=MAD<AF?
!AJ=;L3=FLAF?
3=JLA;9D3=FLAF?
$9DN9FAR=<0L==D
-3 0
-3
%GJARGFL9D1@JGM?@
L@=49DD3=FLAF?
Table L: Venting Category Requirements
,FDQ =FLJGL@=JEUHGDQHJGHQD=F=AK9HHJGN=<>GJL@=5#QJ=HJG<M;L
WARNING: GF<=FK9L= AK 9;A<A; 9F< @A?@DQ
;GJJGKAN=
NOTE: 4@=F MKAF? CentrothermU
Polypropylene “T” vent termination AFK=JL LOG
=FLJGL@=JEU L=JEAF9LAGF K;J==FK AFLG L@= <AK
;@9J?==F<G>L@=L==