Specifications

./4%$)!'2!-3),,5342!4)/.3!2%./44/3#!,%
7
)../6!4)6%(%!24(02/$5#43s$)2%#46%.4'!3&)2%0,!#%3-ONTEBELLO$,8-ONTEBELLO$,8#$s).34!,,!4)/.).3425#4)/.3
Minimum Clearances Canadian Installation * US Installation **
!#LEARANCEABOVE GRADE VERANDAPORCH DECK
ORBALCONY
CM CM
"#LEARANCETOWINDOWORDOORTHATMAYBEOPENED CMFORAPPLIANCES"45HRK7
CMFORAPPLIANCES"45HRK7AND
"45HRK7CMFORAPPLIANCES
"45HRK7
CMFORAPPLIANCES"45HRK7
CMFORAPPLIANCES"45HRK7AND
"45HRK7CMFORAPPLIANCES
"45HRK7
C = Clearance to permanently closed window MMRECOMMENDEDTOPREVENTWINDOWCONDEN-
sation
  MM RECOMMENDED TO PREVENT WINDOW CON-
densation
$6ERTICALCLEARANCETOVENTILATEDSOFlTLOCATED
ABOVETHETERMINALWITHINAHORIZONTALDISTANCEOF
CMFROMTHECENTERLINEOFTHETERMINAL
CM CM
%#LEARANCETOUNVENTILATEDSOFlT CM CM
&#LEARANCETOOUTSIDECORNER CM CM
'#LEARANCETOINSIDECORNER CM CM
(#LEARANCETOEACHINSIDEOFCENTERLINEEXTENDED
ABOVEMETERREGULATORASSEMBLY
FEETCMWITHINAHEIGHTOFFEETABOVETHEMETER
REGULATORASSEMBLY
FEETCMWITHINAHEIGHTOFFEETABOVETHEMETER
REGULATORASSEMBLY
I = Clearance to service regulator vent outlet FEETCM FEETCM
J = Clearance to non-mechanical air supply inlet
TOBUILDINGORTHECOMBUSTIONAIRINLETTOANYOTHER
appliance
CMFORAPPLIANCES"45HRK7
CMFORAPPLIANCES"45HRK7AND
"45HRK7CMFORAPPLIANCES"45
HRK7
CMFORAPPLIANCES"45HRK7
CMFORAPPLIANCES"45HRK7AND
 "45HR K7CMFORAPPLIANCES 
"45HRK7
+#LEARANCETOMECHANICALAIRSUPPLYINLET FEETMETERS FEETCMABOVEIFWITHINFEETMHORIZONTALLY
,  #LEARANCE ABOVE PAVED SIDEWALK OR PAVED
DRIVEWAYLOCATEDONPUBLICPROPERTY
FEETMp FEETMp
-  #LEARANCE UNDER VERANDA PORCH DECK OR
BALCONY
CMp CMp
)NACCORDANCEWITHTHECURRENT#!.#'!".ATIONAL'ASAND"0ROPANE)NSTALLATION#ODE,ATEST%DITIONS
)NACCORDANCEWITHTHECURRENT!.3):.&0!.ATIONAL&UEL#ODES,ATEST%DITION
p!VENTSHALLNOTTERMINATEDIRECTLYABOVEASIDEWALKORPAVEDDRIVEWAYWHICHISLOCATEDBETWEENTWOSINGLEFAMILYDWELLINGSANDSERVESBOTHDWELLINGS
p/NLYPERMITTEDIFVERANDAPORCHDECKORBALCONYISFULLYOPENONAMINIMUMSIDESBENEATHTHEmOOR
Figure 6—Exterior Horizontal Vent Termination Clearance Requirements
NOTE: Local Codes Or Regulations May Require
Different Clearances.
NOTE: Location Of The Vent Termination Must Not
Interfere With Access To The Electrical Service.
V
V
V
V
V
F
C
B
B
A
B
H
M
I
X
V
D
V
A
A
A
V
L
B
J
X
E
V
A
G
*18”
18”
B
C
C
C
K
X
!
!
!
* See Item D in the Text Below.
Center Line
of Termination
Exterior Wall
Horizontal
Ter minat ion
Ventilated Soffit
Inside Corner
DETAIL D
Inside
Corner Detail
Operable
Window
Fixed
Closed
Window
= 9" in U.S.
=12" in Canada
3 ft.
3 ft.
= Air Supply Inlet
= Vent Terminal
= Area where Terminal is NOT permitted
24"
36"