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W415-0803 / C / 04.19.12
3.3 TYPICAL VENT INSTALLATIONS
REQUIRED RISE ON HORIZONTAL
VENTING
REAR VENT
RIGID
0" / FT
FLEXIBLE
0" / FT
TOP VENT
RIGID
0" / FT
FLEXIBLE
0" / FT
CORNER
VENT
RIGID
0"
FLEXIBLE
6"
For optimum performance, it is recommend-
ed that all horizontal runs have a 1" rise per
foot.
16" MINIMUM
40 FT
MAXIMUM
3 FT
MINIMUM
REAR VENT
20" MAXIMUM
24 1/4"
MINIMUM
PLUS RISE*
24 1/4"
* See "VENTING" section.