Zephyr ARC AHZ-M90ABX - Manual (Page 16)

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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, unless using the recirculating op-
tion.
Use single wall rigid Metal ductwork only.
Fasten all connections with sheet metal screws and tape all joints w/ certif ed
Silver Tape or Duct Tape.
Some Ducting Options
Installa
tion - Duc
ting Options
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