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