Roof jacks are flanged and adjustable for flat roofs and for roofs pitched up to 6 12.
Dial roof jack.
Dial 18 in.
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.
4 7 out of 5 stars 2 ratings.
This refurbished product is tested and certified to look and work like new.
5500 7000 cfm jacks have a 19 discharge opening.
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It s made with 28 gauge galvanized sheet metal and it includes a slide in winterizer damper.
Distributed by dial manufacturing.
Roof jacks are intended for use as air distribution plenums only and not as supports for coolers.
Install a flexible duct from the roof duct to the ceiling register.
Install a duct transition piece if needed for a round flexible duct.
Roof jack is warranted for 90 days from date of retail sale.
Inc phoenix arizona reinsert winterizer slide in damper when cooler season ends.
Roof jacks are flanged and adjustable for flat roofs and for roofs pitched up to 6 12.
Multi pitch adjustable roof jacks are ideal for the installation of all major brands of residential ducted down draft coolers.
The refurbishing process includes functionality testing basic cleaning inspection and repackaging.
Rails are pre installed to support an optional max aire barometric damper.
Roof jacks are flanged and.
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.
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Dial 78317 multi pitch roof jacks visit the dial store.
Roof jacks are flanged and.
This adjustable roof jack is ideal for the installation of all major brands of residential ducted downdraft coolers.
Part d78318 manufacturer part 78318.
Dial manufacturing 20 in.
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.
Thd sku 528562.
Roof jack with slide in damper.
3000 to 4500 cfm jacks have 17 discharge opening.
The dial 78318 20 multi pitch roof jack with damper is a highly reliable durable product from dial.
Used for installation of all residential ducted downdraft coolers specifications.
3000 to 4500 cfm jacks.
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.
Roof jack returned to dealer must be accompanied by a sales receipt showing a purchase date within 90 days of return.
