Ken asks…How do I quiet a noisy sump pump check valve?I have installed a silent check valve but it isn't quiet. It makes a loud thumping noise when pump shuts off.
I am pumping vertically about 8 feetadmin answers:Was it the AY McDonald silent check? I've heard good things about them. If it is an AY, try giving them a call.
How high are you pumping?Susan asks…My check valve makes a loud bang after my sump pump shuts off. How can I fix this?I drilled a 1/8" hole in the flapper which
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