78318 - Multi-Pitch Roof Jack with Slide Damper
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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