Set cooler in position on roof jack.
How to install evaporative cooler roof jack.
Install a duct transition piece if needed for a round flexible duct.
I suppose you could use a bead of caulk on the top flange of the jack to seal with the cooler.
Install the cooler duct a power wire and a thermostat wire leaving excess wire to allow a thermostat installation inside the home.
Cooler installation kit note.
Any screws used to mount brackets to the roof should be coated with tar to prevent water entry.
The multi pitchtm roof jack serves only as an air distribution plenum and is not intended to support the cooler s full operating weight load.
Installed swamp cooler on roof.
Install supporting leg kit.
Use roof tar or waterproofing membrane to seal all openings.
Apron collar and flex duct not shown sheet metal slide in damper for winter use only large cover plate small cover plate barometric damper roof jack assembly rja 12 horizontal run level vertical rise roof.
Use two self tapping screws to fasten cover plate to roof jack assembly.