15
EN
W415-1398 / C / 06.15.17
††
Permitted only if the veranda, porch, or deck is fully open on a minimum of two sides beneath the fl oor.
†*
Recommended to prevent recirculation of exhaust products. For additional requirements check local codes.
††*
Permitted only if the balcony is fully open on a minimum of one side.
NOTE: Clearances are in accordance with local installation codes and the requirements of the gas supplier.
12.1E
3.5
VENTING APPLICATION FLOW CHART
TOP EXIT
Horizontal Termination
Vertical Termination
Vertical rito or grese is equal ater than Vertical rise is less Vertical rito or grese is equal ater than than horiVertical rzontal runise is less
than horizontal run
the horizontal run
Horizontal run +
Horizontal run +
vertical rise to
vertical rise to
maximum of maximum of 24.75
35 feet (10.7m)
feet (7.5m)
4.2 times the
vertical rise equal to
or greater than the
horizontal run
the horizontal run
Horizontal run +
Horizontal run +
vertical rise to
vertical rise to
maximum of maximum of
35 feet (10.7m)
35 feet (10.7m)
3 times the vertical
rise equal to or
greater than the
horizontal run
13.3A
REAR EXIT
Horizontal Termination
Vertical Termination
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Vertical rise is equal
to or greater than
the horizontal run
Vertical rise is less
than horizontal run
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
Horizontal run +
vertical rise to
maximum of
24.75 feet (7.5m)
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
Horizontal run +
vertical rise to
maximum of 40 feet
(12m)
Summary of Contents for CB30NTR
Page 11: ...11 EN W415 1398 C 06 15 17 3 2 TYPICAL VENT INSTALLATION...
Page 12: ...12 EN W415 1398 C 06 15 17 See VENTING section...
Page 42: ...42 EN W415 1398 C 06 15 17 5 1 MINIMUM FRAMING DIMENSIONS...
Page 46: ...46 EN W415 1398 C 06 15 17 MAXIMUM REAR VENT CLEARANCES EXAMPLE 1...
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