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Figure
31
= Proper
Draft
Regulator
Locations
Figure
32
- Typical
Chimney
Locations
Must
be at least
4 inches
thick-======_
and
be tight.
least
3 Ft higher
than
part
of passage
Lhrough
roof.
Must
be
at
least
2 FT higher
than
any
neighboring
object
within
10 Ft. Must
have
unobstructed
top
ii
opening.
Must
slope
up
at least
1/4
inch
per
foot
of
horizontal
run-_
smooth,
correctly
sized
Sealed
in
thimble
ht clean-out
door
Figure
33
= Pressure
Tapping
for
Checking
Draft
PORT
FOR OVER-FIRE
MEASUREMENT
Draft
Regulator
ped
Weight
End
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