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V
ENT
/F
LUE
P
IPE
& C
OMBUSTION
A
IR
P
IPE
24" MAX
3" MIN
24" MAX
AIR
INTAKE
12” MIN
SCREEN
12" MIN. TO ROOF OR
HIGHEST ANTICIPATED
SNOW LEVEL
90º MEDIUM
RADIUS ELBOW
Alternate Horizontal Vent Termination (Dual Pipe)
SUPPORT
STRAPS
V
ENT/FLUE
TEE
12" MIN. ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL
12" MIN. ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL
90° MEDIUM
RADIUS ELBOWS
SCREEN
COMBUSTION
AIR INTAKE
12" MIN
3" MIN
24" MAX
Standard Horizontal Terminations Above Anticipated Snow
Level (Dual Pipe)
SCREEN
12" MIN. TO ROOF OR
HIGHEST ANTICIPATED
SNOW LEVEL
Alternate Vent Termination Above Anticipated Snow Level
(Dual Pipe)
In a basement installation, the pipes may be run between the joist
spaces. If the pipes must go below the joist and then up into the
last joist space to penetrate the header, two 45° elbows should be
used to reach the header rather than two 90° elbows.
VENT/INTAKE T ERMINATIONS F OR I NSTALLATION OF M ULTIPLE
DIRECT V ENT F URNACES
If more than one direct vent furnace is to be installed vertically
through a common roof top, maintain the same minimum clear-
ances between the exhaust vent and air intake terminations of
adjacent units as with the exhaust vent and air intake terminations
of a single unit.
If more than one direct vent furnace is to be installed horizontally
through a common side wall, maintain the clearances as in the
following figure. Always terminate all exhaust vent outlets at the
same elevation and always terminate all air intakes at the same
elevation.
V
ents
24" Max.
3" Min.
12" Min.
Screen
24" Max.
Air
Intakes
90°
Medium
Radius
Elbows
24" Max.
3" Min.
3" Min.
12" MIN. ABOVE
HIGHEST ANTICIPATED
SNOW LEVEL
Horizontal Venting Of Multiple Units
CONCENTRIC V ENT T ERMINATION
Refer to the directions provided with the Concentric Vent Kit (DCVK)
for installation specifications.
SIDE WALL VENT K IT
This kit is to be used with 2” or 3” direct vent systems. The vent kit
must terminate outside the structure and may be installed with the
intake and exhaust pipes located side-by-side or with one pipe
above the other. This kit is NOT intended for use with single pipe
(indirect vent) installations.
Refer to the directions furnished with the Side Wall Vent Kit
(p/n 0170K00000S) for installation specifications.