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Check Valve

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  • Accessories & Parts
1-1/2″ Quiet Check Valve

30-0040

The 1-1/2" slip x slip full flow Quiet Check Valve provides backflow prevention in basement sump pump or drain pump applications. This valve can be installed in either a vertical or horizontal orientation in the discharge line.

  • Check Valve
1-1/2″ Clear Quiet Check Valve

30-0041

The 1-1/2" slip x slip full flow clear version of the Quiet Check Valve provides backflow prevention in basement sump pump or drain pump applications. This valve can be installed in either a vertical or horizontal orientation in the discharge...

  • Accessories & Parts
1-1/2″ Combo Check Valve

30-0102

The 1-1/2" combo check valve is designed for effluent and basement sump pump applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

2″ Tri-Check® Valve image
  • Accessories & Parts
2″ Tri-Check® Valve

30-0101

The 2" Tri-Check Valve is designed for basement sump, septic system, and effluent applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

2″ Quiet Check Valve image
  • Check Valve
2″ Quiet Check Valve

30-0048

The 2" Quiet Check Valve is designed for sewage and effluent applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

  • Accessories & Parts
2″ Unicheck Cast Iron Check Valve

30-0151

The 2" unicheck cast iron check valve is designed for sewage and effluent applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

2″ Quiet Check Valve image
  • Check Valve
2″ Quiet Check Valve

30-0042

The 2" Quiet Check Valve is designed for sewage and effluent applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.  

  • Accessories & Parts
2″ Cast Iron Full-Flow Unicheck

30-0152

The 2" cast iron full flow unicheck is designed for basement sump pump, effluent and sewage applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

  • Accessories & Parts
2″ Compression Unicheck

30-0020

The 2" compression unicheck valve is designed to prevent backflow in dewatering, effluent or sewage applications. This valve can be installed in the vertical or horizontal orientation in the discharge line.

  • Check Valve
2″ Unicheck Plastic Check Valve

30-0021

The 2" unicheck plastic check valve is designed for sewage and effluent applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

  • Check Valve
3″ Cast Iron Full-Flow Unicheck

30-0160

The 3" cast iron full flow unicheck is designed for basement sump pump, effluent, sewage, and stormwater removal applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.

4″ Flanged Check Valve image
  • Check Valve
4″ Flanged Check Valve

6030-0203

The 4" flanged check valve is designed for sewage applications to prevent backflow. This valve can be installed in the vertical or horizontal orientation in the discharge line.