7
WARNING FIRE HAZARD
NEVERexhaustairorterminateductworkintospacesbetweenwalls,crawlspaces,ceiling,atticsorgarages.
All exhaust must be ducted to the outside.
Usesinglewallrigidmetalductworkonly.
FastenallconnectionswithsheetmetalscrewsandtapealljointswithcertiedSilverTapeorDuctTape.
Some Ducting Options
Installation – Ducting Options
side wall cap
w/ gravity damper
side wall cap
w/ gravity dampe
Soffit or crawl space
Roof Pitch w/
Flashing & Cap
3-1/4”x10” rect.
horizontal ducting
7” round
vertical ducting
7” round
vertical ducting