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VENTING INSTALLATION
INSTRUCTIONS
Continued
Combustible Exterior Wall:
exteriors, a siding standoff must be installed between the vent
cap and exterior wall. The siding standoff prevents excessive
heat from damaging the siding materials. Siding material must
be cut to accommodate standoff. Bolt the vent cap to the stand-
off. Apply non-hardening mastic around outside edge of stand-
off. Position the standoff/cap assembly in the center of the 10"
square hole and attach to exterior wall with wood screws pro-
vided (see Figure 11). The siding standoff must sit flush against
the exterior fascia material.
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
12). See Figure 13, page 10 for horizontal termination details.
10. Place fireplace into position and shim with noncombustible ma-
terial 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 10 - Installing Horizontal Vent Cap (Noncombustible
Exterior)
For more information, visit www.desatech.com
For more information, visit www.desatech.com
111986-01A
For vinyl siding, stucco, or wood
Slide the wall firestop over
1
/
".
4
Slide wall firestop against
Apply Mastic to
All Four Sides
Vent Cap
Wood Screw
VENTING INSTALLATION INSTRUCTIONS
Installation Planning (Cont.)
Apply Mastic
to All Four Sides
Figure 11 - Installing Siding Standoff (Combustible Exterior)
Vent Cap
(Horizontal
Termination)
Figure 12 - Connecting Vent Cap with Horizontal Vent Pipe
Cut Siding Away
to Fit Standoff
Standoff
Wood Screw
Vent Cap
Screws
Interior Wall
Surface
Wall
Firestop
Horizontal
Vent Pipe
Screw
9 9
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