Vertical Flue Restrictor - Heat & Glo VRT-BZ-N-AUB Owner's Manual

Step 9.
Twist-lock the flue cap and seal.
Note: For multi-story vertical installations, a ceiling firestop
is required at the second floor, and any subsequent floors
(Figure 7.25). The opening should be framed to 9 in. x 9 in.
(229 mm x 229 mm) inside dimensions, in the same manner
as shown in Figure 7.22.
CEILING FIRESTOP
MIN. 25.4 mm
CLEARANCE
MIN. 25.4 mm
CLEARANCE
Figure 7.25
!
Fire Risk.
Explosion Risk.
• Any occupied areas above the first floor,
including closets and storage spaces, which
the vertical flue passed through must be
enclosed. The enclosure may be framed
and sheetrocked with standard construction
materials; however, refer to these installation
instructions for the minimum allowable
clearance between the outside of the flue pipe
and the combustible surfaces of the enclosure.
Do not fill any of the required air space with
insulation.
36
NAILS
MIN. 25.4 mm
CLEARANCE
MIN. 25.4 mm
CLEARANCE
WARNING
Heat & Glo • VRT-AUB • 2123-980_R14 • 12/14
I. Vertical Flue Restrictor
If the fireplace installation requires a vertical flue off the
top of the unit with no horizontal flue or elbows, the vertical
flue restrictor must be added. Reinstall heat shield when
completed. See Figure 7.26.
HEAT SHIELD
Figure 7.26
FLUE
RESTRICTOR
PLATE