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VENTING INSTALLATION
INSTRUCTIONS
Continued
7.
Combustible Exterior Wall Only:
the vent pipe before connecting horizontal run to vent cap (see
Figure 12).
8. Carefully move fireplace, with vent assembly attached, toward
wall and insert vent pipe into horizontal termination. The pipe
overlap should be a minimum of 1
9.
Combustible Exterior Wall Only:
interior wall surface and attach with screws provided. See
Figure 13 for horizontal termination details.
10. Place fireplace into position and shim with noncombustible
material if needed. Nail or screw side flanges to framing to
secure unit in place. IMPORTANT: Make sure fireplace is
level before securing. If fireplace is not level it will not work
properly.
Apply Mastic to
All Four Sides
Figure 11 - Installing Siding Standoff
(Combustible Exterior Wall Only)
Vent Cap
(Horizontal
Termination)
Figure 12 - Connecting Vent Cap with Horizontal Vent Pipe
111923-01D
Slide the wall firestop over
/
".
1
4
Slide wall firestop against
Cut Siding Away
to Fit Standoff
Standoff
Wood Screw
Vent Cap
Interior Wall
Surface
Wall
Firestop
Screw
Minimum Pipe
Overlap 1
Direct Vent
Pipe
Maintain 1"
Minimum Air
Space Around
Outer Pipe When
Penetrating a Wall
10
Framed Opening
Figure 13 - Typical Horizontal Termination Cap Mounting with
Screws
Horizontal
Vent Pipe
www.desatech.com
/
"
1
4
Wall
Firestop
3
/
" x 10
3
/
"
4
4
Additional Siding Standoff Installed
Siding Standoff
Screws
High Wind
Termination
Apply Mastic to
Outside Edge of
Standoff
Exterior Wall
with Vinyl Siding
9
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