chillers
all winter long I had I had no issues with my circulator pumps and as of the other day when they turn on the new chiller that was installed at the end of the season last year I have two pumps that are leaking majorly from the bottom replace the seals and the gasket and they still leaking the people that came out and installed and fired up the chiller did they blow my pumps out
Comments
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Where are they leaking from?
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glycol mixtures leak more easily than plain water. tolerances get bigger when things are colder.
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leaking from the bottom of the pump housing ǰ
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there is a fiber or rubber washer between the flanges the connect the pump to the braided stainless connectors.
That should be replaced after the connection is wire brushed and cleaned.
In some cases the flex connectors leak where they are welded to the flange.
If it is glycol, how old is the fluid? Check the ph of the fluid.
Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream0 -
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