Venting Installation
instructions
Continued
6.Noncombustible Exterior Wall: Position the horizontal vent cap in the center of the 8 1/2" round hole and attach to the exterior wall with four screws (see page 10). Note: The four wood screws provided should be replaced with ap- propriate fasteners for stucco, brick, concrete or other types of sidings. Before attaching the vent cap to exterior wall, run a bead of
Combustible Exterior Wall: For vinyl siding, stucco or wood exteriors, a siding standoff may 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 stand- off. Bolt the vent cap to the standoff. Apply
7.Combustible Exterior Wall Only: 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" (see Figure 13, page 11).
9.Combustible Exterior Wall Only: Slide wall firestop against interior wall surface and attach with screws provided (see Figure 12). See Figure 13, page 11, for horizontal termination details.
Apply Mastic to
All Four Sides
Vent
Cap
Wood
Screw
Figure 10 - Installing Horizontal Vent Cap
(Noncombustible Exterior)
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.
Cut Siding Away to
Fit Standoff
Standoff
Wood Screw
Vent Cap
Screws
Apply Mastic to All Four Sides
Figure 11 - Installing Siding Standoff
(Combustible Exterior)
Interior Wall
Surface
Wall
Firestop
Vent Cap |
|
|
(Horizontal | Screw | Horizontal |
Termination) |
| |
| Vent Pipe | |
|
|
Figure 12 - Connecting Vent Cap with
Horizontal Vent Pipe
10 | www.desatech.com |