12" min.
3" min.
3" min.
PL vent manufacturer's
firestop spacer and
support.
#7 Installing through the ceiling vent
Through the ceiling vent, follow PL vent
manufacturer's recommendations when using wall
and ceiling pass through.
Venting
Storm collar
Flashing
3" min.
No insulation or other
combustible materials
are allowed within 3" of
the PL vent pipe.
Fig. 26
Minimum flue vent configuration
It is recommended that outside air be installed with
this venting configuration.
Fig. 28
16
Fig. 27