The first BB in my two zone system vibrates when the circulator pump is on. It is the first BB in the piping and about Six feet from the pump. Is there a type of isolation damper that could be used between the pump and the first BB, like a flex hose?? Thanks Paul
There are expansion sections that can be put in. They look like a flex pipe with corrugations. Is there room for the pipes to move? If not, you can pipe in a loop to allow for expansion.
They may just be cheap pumps. Get Grundfos.
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