Zephyr Monsoon II AK9334AS Use, Care And Installation Manual page 9

WARNING FIRE HAZARD
NEVER exhaust air or terminate duct work into spaces between walls, crawl spaces, ceiling, attics or garages.
All exhaust must be ducted to the outside.
Use single wall rigid metal ductwork only.
Some Ducting Options
side wall cap
w/ gravity damper
Roof Pitch w/
Flashing & Cap
side wall cap
w/ gravity damper
Soffit or crawl space
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