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Review on 🧱 The Basement Watchdog Model KCV1 Non-Klunking Sump Pump Check Valve, 1-1/4 in or 1-1/2 in by Mark Patterson

Revainrating 4 out of 5

Klunkless or almost

I have been using one of these check valves on our drain pump for three years. It works very well and is almost silent (makes a click when closed). Since our sump is often wet and the pump works a lot, I have to replace the check valve once a year after the inner seal has become stiff and leaking. I'm willing to replace it once a year because I like it quiet. :)

Pros
  • Absolutely amazing!
Cons
  • Negative present