So quiet that you will not even know if your pump is running! No more banging when the pump turns off, and no more loud noises from my wife either! It has a transparent valve chamber so that you can see that the valve is functioning properly. Buy it now, you will not be disappointed!!! Zoeller-30-0041-Quiet-Check-PVC-Solvent-Weld-with-Union-Check-Valve-1-1-2"
Verified purchase: Yes | Condition: New
Very quiet check valve, no water hammer when valve closes.
Verified purchase: Yes | Condition: New
a very quiet check valve which works well
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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