Dear Norman – Our
vacuum tower is now working fine. Thanks for your help. But I have another
question. I have a combustion air blower which surges during hot weather. The
surges do not damage the compressor (blower). But when we have surge, there is
a loud banging sound. That banging is coming from the check valve on the
compressor discharge. Should we consider removing this check valve?
--Chuck Hendrics
Chuck – No. The check valve dampens
down the force of the surge and helps protect the stationary elements in the
compressor case from damage.
--Norm Lieberman
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