Used for 3000 to 4500 cfm coolers.
20 in x 20 in evaporative cooler roof jack.
It s made with 28 gauge galvanized sheet metal and it includes a slide in winterizer damper.
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Equipmentblvd 20 white powder coated 4 way adjustable air diffuser for evaporative swamp cooler 22 mounting edge 20 x20 x6 4 3 out of 5 stars 8.
This adjustable roof jack is ideal for the installation of all major brands of residential ducted downdraft coolers.
The dial 78318 20 multi pitch roof jack with damper is a highly reliable durable product from dial.
Install roof supports at 24 inch intervals where the horizontal section of duct for a roof mount cooler is longer than 24 inches.
Includes a slide in winterizing damper.
The 5500 to 7000 cfm jacks have 19 and 3 4 in.
I ll be putting in a 6500cfm or so unit with a single drop.
Set your store to see local availability.
Roof jacks are flanged and adjustable.
Dial galvanized steel evaporative cooler roof jack.
Roofing sealant will provide a weatherproof water tight seal between the roof jack assembly and the roof shingles.
Hessaire 6 800 cfm 115v side draft aspen roof side evap cooler swamp cooler for 20 in.
Manufacturer dial part number 78317 item weight 12 8 pounds product dimensions 33 x 2 3 x 5 inches.
Adjusts from flat up to 6 12 pitch.
Interfaces of roof jack assembly and roof shingles.
Only 9 left in stock order soon.
20 x 20 down draft evaporative cooler kit cm 3000 7000 for flat to 12 pitch roofs fits all duct dimensions up to 20 x 20 patended water tight rear hinge design for new installations or replacement of existing roof jacks includes an extra apron and collar for the option of connecting the flex duct to existing duct system or directly to a hallway or large room roof jack dims 9 h x 27.
I m planning on putting in a swamp cooler on my roof no existing jack or ducting and am contemplating doing the work myself.
18 for 3000 4500 cfm have a 17 3 4 discharge opening 20 for 5500 6500 cfm have a 19 3 4 discharge opening dial 78317 multi pitch roof jacks product information technical details.
Roofing sealant may also need to be applied to cover up roofing nails or screws used to mount roof jack assembly bottom flange onto roof.
Prior to placing evaporative cooler.
Chatting to a plumber the other day they suggested using a side draft swamp cooler with a right angled duct taking the air down through the roof.
Item 14994 model 78317.
Seal the base of each support at the roof with roofing mastic.