Re: Air Gap for Sump Pump?
Posted by hj on May 22, 2004 at 09:42:45:
In response to Re: Air Gap for Sump Pump?
You mean an air chamber. It will not help. The bang is the check valve closing and is caused by the weight of the water pushing it closed. You need a check valve with a rubber disc, which will help reduce the noise considerably.

: My sump pump always cuts off with a big bang - just like a water pipe without an air gap.
: Is there such a thing as an air gap for a sump pump that uses 1 1/4 inch PVC pipe?
: Could I make this myself?




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