Sump Pump Issue
Posted by Bruce on February 12, 2004 at 17:10:34:
I have a sump pump with a check valve. My sump pump goes on every 15 minutes and when the cycle is complete I hear a loud slamming noise. Also I have black goop comming out of some of the joints in the plastic pipes? How can I fix these problems?
Thanks for your help.

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