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Old 04-29-2013, 11:46 AM   #15
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Join Date: Oct 2007
Posts: 18,040
"I bought a standalone pressure switch and bypassed the one built into the pump head. "

This seems to be the most common cause , as it was decades ago with Jabsco belted pumps.

Perhaps looking to purchase a new pump this failure should be kept in mind and ONLY a pump it would be simple to convert purchased.

Was 23 years as liveaboard and NEVER had a failure , after converting to a house pressure water switch.

The Jabscoe had a bastard thread to prevent this , but a bit of drilling and a solder torch took care of that problem.
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