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Dial roof jack.
Roof jacks are flanged and adjustable for flat roofs and for roofs pitched up to 6 12.
3000 to 4500 cfm jacks have 17 discharge opening.
Dial 78317 multi pitch roof jacks visit the dial store.
Multi pitch adjustable roof jacks are ideal for the installation of all major brands of residential ducted down draft coolers.
Included with the roof jack.
5500 7000 cfm jacks have a 19 discharge opening.
Dial 78318 multi pitch roof jack multi pitch adjustable roof jacks are ideal for the installation of all major brands of residential ducted down draft coolers.
Install a duct transition piece if needed for a round flexible duct.
The refurbishing process includes functionality testing basic cleaning inspection and repackaging.
Dial manufacturing 20 in.
3000 to 4500 cfm jacks.
Roof jacks are intended for use as air distribution plenums only and not as supports for coolers.
Dial 18 in.
This adjustable roof jack is ideal for the installation of all major brands of residential ducted downdraft coolers.
About the dial 78318.
Roof jack with slide in damper.
This refurbished product is tested and certified to look and work like new.
Install a flexible duct from the roof duct to the ceiling register.
Multi pitch adjustable roof jacks are ideal for the installation of all major brands of residential ducted down draft coolers.
Rails are pre installed to support an optional max aire barometric damper.
Roof jack is warranted for 90 days from date of retail sale.
It s made with 28 gauge galvanized sheet metal and it includes a slide in winterizer damper.
Thd sku 528562.
Used for installation of all residential ducted downdraft coolers specifications.
This fits your.
Roof jacks are flanged and.
Use roof tar or waterproofing membrane to seal all openings.
Any screws used to mount brackets to the roof should be coated with tar to prevent water entry.
Use cooler legs to support cooler weight.
Roof jacks are flanged and adjustable for flat roofs and for roofs pitched up to 6 12.
Roof jacks are flanged and.
Part d78318 manufacturer part 78318.
The dial 78318 20 multi pitch roof jack with damper is a highly reliable durable product from dial.
Make sure this fits by entering your model number.
Roof jack for evaporative coolers with an included slide in winter damper this galvanized steel design can be used when installing a roof mounted ducted downdraft with a 3000 to 4500 cfm rating.
Inc phoenix arizona reinsert winterizer slide in damper when cooler season ends.