Specifies the length of the vent stack. Add double the lengths of fittings and elbows or calculate the appropriate equivalent lengths for non-pipe fittings and add the lengths.
Typical units (depending on your unit system):
-
ft
-
m
-
mm
Specifies the length of the vent stack. Add double the lengths of fittings and elbows or calculate the appropriate equivalent lengths for non-pipe fittings and add the lengths.
Typical units (depending on your unit system):
ft
m
mm