Instructions / Assembly

®
System1738 Installation Methods 29
A
A
B
B
D
D
D
D
C
C
E
E
G
G
1
1
2
2
3
3
4
4
5
5
45º
F
F
Figure 24
Mechanically Fastened Rain Cap
The Rain Cap must be installed with the supplied Stainless
Steel bolt and lock nut, and in accordance with the following
instructions and diagram (Figure 24).
1. Locate the drill location dimple on the outside of the rain
cap. (drill location reference 5 in Figure 24)
2. At this location, drill through the cap and the inner pipe
wall. Ensure that the path of the hole is perpendicular to
the inner pipe NOT the outside of the cap. For the 2" & 3"
kit, drill a 3/16" hole, for the 4" kit, a 1/4" hole.
3. Insert the bolt and tighten the lock nut supplied with the
Concentric Vent Kit. Do not over tighten (do NOT use
field supplied screws).