Klunkless Sump Pump Check Valve With Silent Air Chamber Fits Standard Discharge Piping No Gluing Required Airtight Backflow Prevention Easy Install With Stainless Steel Hose Clamps
✔️ Single unit fits 1-1/2 in or 1-1/4 in pipes, glue-free
The Klunkless Sump Pump Check Valve uses a patented silencing air chamber to dampen the clunk when the pump stops. It installs on standard discharge piping in basements and crawlspaces to prevent backflow and water re-entry into the sump pit. Ground water use only; not for sewage or ejector pits. 1-1/2 in (38.1 mm) or 1-1/4 in (31.75 mm) pipe sizes supported.
✅ Silencing air chamber dampens the clunk when the pump stops
✅ Fits 1-1/2 in and 1-1/4 in pipes, glue-free installation
✅ Airtight chamber prevents water re-entry into the sump pit
✅ Includes stainless steel hose clamps for secure install
✅ Ground water use only; not for sewage or ejector pits
✅ Color: Black
💡 What is a silent air chamber check valve used for in a sump pump discharge system?
A handy backflow and noise reduction accessory for typical basements. - Reduces water hammer when the pump stops - Keeps discharge water from re-entering the sump pit - Easy retrofit on common pipe sizes without glue