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Figure 28. Exiting Exhaust and Intake Vent
EXHAUST
VENT
12" (305mm)
Minimum
Above Average
Snow
Accumulation
CLAMP
Figure 29. Direct Vent Concentric Roof Top
Termination
71M80, 69M29 or 60L46 (US)
44W92 or 44W93 (Canada)
FIELD-PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT DIFFERENT VENT
PIPE SIZE TO TERMINATION
OUTSIDE
WALL
EXHAUST
VENT
INTAKE
CLAMP
AIR
(Not Furnished)
Figure 30. Direct Vent Concentric Wall Termination
71M80, 69M29 OR 60L46 (US)
44W92 or 44W93 (Canada)
507029-05
1 1/2" (38mm) accelerator
provided on 71M80 & 44W92
kits for -045 and -070 models
FLASHING
INTAKE
(Not Furnished)
AIR
SHEET METAL STRAP
(Clamp and sheet metal strap
must be field installed to support
the weight of the termination kit.)
FIELD-PROVIDED
REDUCER MAY BE REQUIRED
TO ADAPT DIFFERENT VENT
PIPE SIZE TO TERMINATION
1-1/2" (38mm) accelerator
provided on 71M80 & 44W92
kits for -045 and -070 models
INTAKE
AIR
EXHAUST
VENT
12" (305mm) Min.
INTAKE
AIR
above grade or
average snow
accumulation.
GRADE
Figure 31. Flush Mount Side Wall Termination
8" - 12"
(203mm - 305mm)
Minimum 12" (305mm)
above chimney top
plate or average snow
accumulation
* SIZE TERMINATION
PIPE PER EXHAUST
PIPE TERMINATION
SIZE REDUCTION
TABLE
NOTE: Do not discharge exhaust gases directly into any chimney
or vent stack. If vertical discharge through an existing unused
chimney or stack is required, insert piping inside chimney until the
pipe open end is above top of chimney and terminate as illustrated.
In any exterior portion of chimney, the exhaust vent must be
insulated.
Figure 32. Direct Vent Application Using Existing
Issue 2241
51W11
STRAIGHT-CUT OR
ANGLE-CUT IN DIRECTION
OF ROOF SLOPE *
3" - 8"
EXHAUST VENT
(76mm -
203mm)
WEATHERPROOF
SHOULDER OF FITTINGS
INTAKE PIPE
PROVIDE SUPPORT
INSULATION (optional)
OF PIPE ON TOP PLATE
SHEET
METAL TOP
PLATE
3" - 8"
(76mm -
203mm)
INSULATE
TO FORM
SEAL
Chimney
1/2" (13mm)
INSULATION
ALTERNATE
INTAKE PIPE
EXTERIOR
PORTION OF
CHIMNEY
Page 23 of 73
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