Desa (V)T32EN - Manual (Page 9)

www.desatech.com 108860-01D 9
VENTING INSTALLATION
INSTRUCTIONS
Continued
Figure 11 - Installing Siding Standoff
Vent Cap
(Horizontal
Termination)
Interior Wall
Surface
Wall
Firestop
Horizontal
Vent Pipe
Figure 12 - Connecting Vent Cap with Horizontal Vent Pipe
Screw
Cut Siding Away
to Fit Standoff
Wood Screw
Screws
Standoff
Vent Cap
Apply Mastic to
All Four Sides
7. Slide the wall firestop over 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 1 /
4
".
9. Slide wall firestop against 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.
Figure 13 - Typical Horizontal Termination Cap Mounting with
Additional Siding Standoff Installed
Siding Standoff
Screws
High Wind
Termination
Apply Mastic to
Outside Edge of
Standoff
Exterior Wall
with Vinyl Siding
10" x 10"
Framed
Opening
Maintain 1"
Minimum Air
Space Around
Outer Pipe When
Penetrating a Wall
Minimum Pipe
Overlap 1 1 /
4
"
Wall
Firestop
Direct Vent
Pipe