I would appreciate receiving advise on whether it is fine to connect a
return branch to the end cap of the rectangular trunk on the return
side of the furnace. I know that with regard to the supply side, the
end cap is intended to cause static pressure and therefore no branches
should come off the end cap of the supply trunk.
Thanks in advance for your input.
To answer your question, yes, you can connect to the end cap of a return
plenum. But, if you have two, then the air *may* not return equally in two
ducts of the same size.
The reasoning behind the notion of *not* taking a branch / trunk run from
the end cap of a supply plenum is to prevent favortism from the blower. If
on the other hand the length of the plenum is 3 times the girth, then in all
likely hood you can. But generally you are correct in *not* taking a branch
/ truck off the end cap.
You are absolutely right but seems to know more then you
explain that, all qualification that you clamed to have
you still are only good to sweep floors! and that is in question
well I guess you deserve that I must say CONGRATULATION
Have nice day TONY
Shouldn't be any problem...
As long as the duct is properly sized, & the supply is properly balanced,
the return air will find it's way back.
Don't, as someone noted, put any sort of dampers in the return system,
unless your running large R&R fans etc... There's no reason to add
restrictions & static drop to the return. Remember it's called a blower not
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