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How to attach a plenum to a roof jack.
Insert the lower end of the collar into the end of the duct riser at the cooler platform and fit the apron at the upper surface of the.
Rg ro furnaces may be used with roof jacks as tall as 170 excepr t g1 056m odesl w hci ha remil eti d ot 1 20.
Then screw the ply to the roof deck.
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This is a short training video to show technicians and homeowners how to properly install flex duct to plenums.
Pull the shingles lining the part of the hole nearer the top of the.
Seal the tabs at both sides of the collar with duct tape.
Tack nail it in a few places so it stays where you put it.
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Then just connect the feed duct to it and put a few short screws through it and wrap it with aluminum tape.
We re installing roof jacks.
All connections inside the home must be made below the ceiling.
An internal roof jack extension p n 901935 10 p n 903107 18 can be used to increase roof jack height.