Change out clamps on inlet hose. Removed inlet filter and turned-on pump. no air and pump shut of when faucets closed. Decided to put old pump back in to see what happens. Once installed with out inlet filter, no air and pump worked fine. Installed inlet filter and got air back in system and pump wouldn't shut off, it would slow down put not shut off. tried adjusting pressure regulator set screw, couldn't get pump to shut off. Put adjustment screw back to original position. Couldn't find any cracks in housing or bowl. Seal seemed okay, but there's something wrong with it. Ordered new filter. Thanks for all the help.
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