11
OVERHANG
12” MINIMUM
12” SEPARATION
BETWEEN BOTTOM OF
COMBUSTION AIR INTAKE
AND BOTTOM OF VENT
MAINTAIN 12” MINIMUM CLEARANCE
ABOVE HIGHEST ANTICIPATED SNOW
LEVEL OR GRADE
15”
MAXIMUM
18”
MAXIMUM
3”
MAXIMUM
SEPARATION
VENT
90
°
LESS THAN 12” CLEARANCE
OVERHANG
12” SEPARATION
BETWEEN BOTTOM OF
COMBUSTION AIR INTAKE
AND BOTTOM OF VENT
MAINTAIN 12” MINIMUM CLEARANCE
ABOVE HIGHEST ANTICIPATED
SNOW LEVEL OR GRADE
12” MINIMUM
VENT
18”
MAXIMUM
3”
MAXIMUM
SEPARATION
90
°
BRACKET
12” OR MORE CLEARANCE
A99165
Fig. 9
---
Sidewall Vent/Intake Terminations
MAINTAIN 12 IN.CLEARANCE
ABOVE HIGHEST
ANTICIPATED SNOW
LEVEL OR GRADE
WHICHEVER IS
GREATER
COMBUSTION AIR
VENT
1
″
MAXIMUM
ROOF
OVERHANG
12
″
MINIMUM
RAINSHIELD
A01382
Fig. 10
---
Concentric Vent Terminations
VENT
COMBUSTION AIR
ELBOW
(FIELD
SUPPLIED)
STRAP
(FIELD SUPPLIED)
COMBUSTION AIR
VENT
1"
MAXIMUM
NOTE: SECURING STRAP MUST BE
FIELD INSTALLED TO PREVENT
MOVEMENT OF TERMINATION KIT IN SIDE WALL.
A04057
Fig. 11
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Concentric Vent