Universal Sump Pump Check Valve Fits 1-1/2 Inch Or 1-1/4 Inch Pipe Slip On Valve With 4 Stainless Steel Hose Clamps No Frills PVC Flapper For Leak Proof Backflow Prevention And Longer Sump Pump Life

Slip-On Sump Pump Check Valve 1-1/2in & 1-1/4in, single unit
✔️ 150 PSI rated, four stainless clamps, silent EPDM seal

This single-unit slip-on check valve is designed to fit 1-1/2 inch and 1-1/4 inch Schedule 40 pipes, delivering leakproof, one-way flow to protect pumps from backflow. It helps reduce water hammer and extends the life of your sump setup in basements and crawlspaces.

✅ Fits 1-1/2 inch and 1-1/4 inch Schedule 40 pipe, slip-on design.
✅ ABS body with EPDM seals rated up to 150 PSI for harsh basements.
✅ Four stainless steel clamps for leakproof, corrosion-resistant connections.
✅ SilentFlow design reduces water hammer and quiets operation.
✅ Vertical or horizontal installation; 360° rotation; max flow about 18 GPM.
✅ Size: 38.1 mm x 31.75 mm (1-1/2" x 1-1/4"); weight 12.5 oz.

💡 What is a sump pump check valve used for?

- It prevents backflow into the basin, protecting the pump and reducing wear.
- It helps prevent water hammer and basement noise.
- It is designed to fit 1-1/2 inch and 1-1/4 inch pipes with slip-on seals.
- It supports quieter, longer-lasting pump operation in home drainage systems.