Dial 78318 – Multi-Pitch Roof Jack with Slide Damper

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″ discharge opening. 5500-7000 CFM jacks have a 19-3/4″ discharge opening.

Features

• Fits All Residential Down Draft Coolers
• 28 Gauge Galvanized Sheet Metal
• Includes Slide-In “Winterizer” Damper
• Caution: Roof jacks are intended for use as air distribution plenums only and not as supports for coolers. Use cooler legs to support cooler weight.

HQZ1206550