Desa (V)V42NA(1) Owner's Operation And Installation Manual page 9

VENTING INSTALLATION
INSTRUCTIONS
Continued
WARNING: Do not recess vent termination into
any wall. This will cause a fire hazard.
6. Noncombustible Exterior Wall:
cap in the center of the 8
rior wall with four wood screws provided. Before attaching
the vent cap to exterior wall, run a bead of non-hardening mastic
(pliable sealant) around the outside edges to make a seal be-
tween it and the outside wall. Note: The four wood screws
provided should be replaced with appropriate fasteners for
stucco, brick, concrete, or other types of sidings.
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
3
10 / " square hole and attach to exterior wall with wood
4
screws provided (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
connections (except vent cap) with screws provided.
Figure 10 - Installing Horizontal Vent Cap (Noncombustible
Exterior)
For more information, visit www.desatech.com
For more information, visit www.desatech.com
111906-01A
Position the horizontal vent
1
/ " round hole and attach to the exte-
2
For vinyl siding, stucco, or wood
Slide the wall firestop over
1 / ". Fasten all vent pipe
4
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