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Discussion Starter · #1 ·
Are these valves meant to direct air through my ducts? It seems that way when I play with them but I don't notice any difference at the vents.


I have one two vents attached to this line and one of them barely gets any blows any air....even when I close the vents of the other on. I don't see any obstructions so I'm not sure what the problem is.
 

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Usually those handles would be for air control. Just don't recall ever seeing 2 of them like that on a duct.
 
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Discussion Starter · #3 ·
This duct is on a line form the furnace that splits into two ducts. One goes to the master bedroom on the 2nd floor and that vent blows very strong. The strongest in the house. The other duct is the one pictured here which feeds two vents on the main floor directly above it. Those don't blow too well.
 

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With the duct being wrapped, can't tell that from the pic.

When the one with the strongest air flow is closed, the other should get a good amount of air. Are you sure there is no obstruction in it.
 

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Discussion Starter · #6 ·
Where it splits at the furnace, do you see more of those handles?

Cheers!

I don't see any at the furnace. They are further "down the line."


I plan on drywalling my basement ceiling so I will need to access these valves. Are there small access panels for a basement ceiling I can install that won't look too ugly?
 
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