10
Twister & Tornado I Use, Care, and Installation Guide
TWISTER &
TORNADO I
INSERT
CORE
Installation Instructions
Ducting Options
Ź Use single wall rigid metal ductwork only.
Ź Fasten all connections with sheet metal screws and tape all joints w/ certified Silver Tape or Duct
Tape.
Fire Hazard: NEVER exhaust air or terminate ductwork into
spaces between walls, crawl spaces, ceilings, attics, or garages.
All exhaust must be ducted to the outside, unless using the
recirculating option.
WARNING
Sot or crawl space
Roof Pitch w/
Flashing & Cap
Rear ducting
side wall cap
w/ gravity
damper
ductless
recirculating
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