On 12 Mar 2007 11:33:26 -0700, "
wrote:


No, ours originally was quiet, and the neigbors I've asked are quiet

By the way, thanks for getting back to me on this. Much appreciated.

as well. Something changed to make it bad in the first place. I
wouldn't make a decision based on a check valve making noise in my
case. Frankly, I didn't know this existed until last summer, it was
normal-sounding prior to that. FWIW a neighbor has a backup water
powered thing, and he feels it's a good solution.