“I'm very happy. No more noisy thunks. It didn't rough in the same as my old check valve so the installation took a little more than I thought. As for "longevity", it has worked beautifully for the last few days...”
“This was a life saver. Worked to eliminate the hammering from other valves. Installed after the sump pump and all the hammering stopped. A+++++++++++ quality.”
