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Dial 78318 Multi-Pitch Roof Jacks

SKU: 179869

Save 46% · Retail: $185.55

  Available to Ship in 1-2 weeks

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About the Dial 78318

The Dial 78318 20" Multi-Pitch Roof Jack with Damper is a highly-reliable, durable product from Dial. This adjustable roof jack is ideal for the installation of all major brands of residential ducted downdraft coolers. It's made with 28-gauge galvanized sheet metal, and it includes a slide-in "winterizer" damper. It's rails are preinstalled to support an optional Max Aire barometric damper. It's flanged and adjustable for flat roofs and for roofs pitched up to 6/12.

Product Details

Use: Evaporative Cooler
Mpn # 78318
Weight 16.70 lbs.


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Questions & Answers


Hello there! Thank you for trusting PlumbersStock to answer your questions. The Dial 78318 20" Roof Jack has dimensions of 19-3/4" x 19-3/4". For more information, please check this Installation Instructions. If you want to purchase the Dial 78318 Roof Jack, just click on "Add to Cart" and fill out t he required fields to start the ordering process. Should you have further questions, don't hesitate to ask. is happy to assist you. Have a great day!

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