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hammering problem in my hot water basebord system ( 3 years old two story
> house) i have two circulators one with three zones ( one being A hot water
> storage tank)with three of honeywell v 8043 e1012 motorized valves all copper
> PIPES the other circulators has two zones with two of honeywell v 8043 e1012
> motorized valves these lines are pex having been added just before the water
> hamming started ( at one time one cirulater ran three loops two copper one
> pex and the hot warter tank no hammering ) i cant put my finger on it but it
> seems that the hamming is comming from the copper system. The copper system
> controls an upstairs and a downstairs loop both being the largest of the
> four loop the pex loops control one down stairs and one up stairs loops I
> read somwhere that valves on the same cirulater could give you this problem
> if this is so what 1 can i test my system to verify if not 2 is the
> configation or set up that i discribed aboved not one you would recommed 3 is
> there a configation that would be better suited any infomation will be
> greatly appreciated Tom