Harman® • XXV Installation Manual_R23 • 2004 -___ • 08/13
1 3
3-90-00684i
PL vent manufacturer's
firestop spacer and support
3" MIN.
No insulation or other
combustible materials
are allowed within 3"
of the PL vent pipe.
flashing
storm collar
3" MIN.
3" MIN.
12" MIN
3.000 MIN.
12"
min. abo
ve g
round lev
el
#8 Installing through the ceiling
Through the ceiling vent, follow PL vent manufacturers
recommendations when using wall and ceiling pass through.
Seal pipe joints with silicone or aluminum tape in addition to
the sealing system used by the manufacturer.
Note: Do not place joints within wall pass-through.
12"
min. wall to outlet
36"
min. clear
anc
e to an
y
combustable ma
terial
Area within dotted area represents the
minimum clearance to combustible
materials such as shrubbery, mulch or
tall grasses.
Figure 4.7
Figure 4.8
Figure 4.9
