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D. ADDITIONAL ELBOW (OFFSET & RETURN) INFORMATION
1. To achieve desired offset you may install combinations of 12”, 18”, 24”, 36” and 48” lengths of double wall
pipe. See Chart B for rise information.
2. Chimney weight above offset rests on the return elbow. Straps must be securely nailed to rafters, joists
or studs.
3. Maximum lengths of pipe between supports (return elbow or 12S -8DM) is 6’ of angled run. Maximum of
two 6’ angled run sections per chimney system.
Chart B
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Figure 17
Figure 16
CAUTION:
Install only the terminations outlined in these
instructions. A serious fire hazard could exist
if using non -listed termination. This chimney
system is not intended for wall termination.