Installation Instructions
Ducting Options
spaces between walls, crawl spaces, ceilings, attics, or garages.
All exhaust must be ducted to the outside, unless using the
►
Use single wall rigid metal ductwork only.
►
Fasten all connections with sheet metal screws and tape all joints w/ certified Silver Tape or Duct
Tape.
Rear ducting
Roof Pitch w/
Flashing & Cap
10
WARNING
Fire Hazard: NEVER exhaust air or terminate ductwork into
recirculating option.
Twister & Tornado I Use, Care, and Installation Guide
side wall cap
w/ gravity
damper
So t or crawl space
ductless
recirculating
C O R E
T W I S T E R &
TO R N A D O I
I N S E R T