20
3" min.
3" min.
PL vent manufacturer's
firestop spacer and
support
#8 Installing through the ceiling vent
Through the ceiling vent, follow PL vent manufacturers
recommendations when using wall and ceiling pass
through. Note: Do not place joints within wall pass-
throughs.
venting
Storm collar
Flashing
3" min.
No insulation or
other combustible
materials are allowed
within 3" of the PL
vent pipe.
(See Page 10 for
corner installation
clearances)
Fig. 31
minimum flue vent configuration
It is required that outside air
be installed with this venting
configuration to reduce smoke and
creosote smell in the room in the
event of power failure.
Fig. 32
Fig. 33
12" min. wall to outlet