OmniTek 839-1340, 839-1290, 839-1320 owner manual Step, Twist-lockthe vent cap and seal

Step 9.

Twist-lock the vent cap and seal.

Note: For multi-story vertical installations, a ceiling firestop is required at the second floor, and any subsequent floors (Figure 5.16). The opening should be framed to 10 in. x 10 in. (254mm x 254mm) inside dimensions, in the same manner as shown in Figure 5.13.

Nails

Ceiling Firestop

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Minimum 1 in.

(25mm) Clearance

Figure 5.16

WARNING

Fire Risk.

Explosion Risk.

•Any occupied areas above the first floor, including closets and storage spaces, which the vertical vent passed through must be enclosed. The enclosure may be framed and sheetrocked with standard construction materials; however, refer to these installation instructions for the minimum allowable clearance between the outside of the vent pipe and the combustible surfaces of the enclosure. Do not fill any of the required air space with insulation.

Quadra-Fire • Topaz • 7009-113 Rev. J • 12/11 17