HQZ1206550 Dial® Multi-Pitch™ 78318 Roof Jack, F (...)

Dial® Multi-Pitch™ Roof Jack, 5500 to 7000 cfm CFM Rating, For Use With: Residential Down Draft Coolers, Sheet Metal, Galvanized, 18 in, Additional Information: 28 ga Thickness

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 jacks are flanged and adjustable for flat roofs and for roofs pitched up to 6/12. 3000 to 4500 cfm jacks have 17-3/4 in discharge opening. 5500-7000 cfm jacks have a 19-3/4 in discharge opening.

Manufacturer: Dial Manufacturing, Inc

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