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Sump Pump Check Valve

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Little Giant 599059 Sump Pump Check Valve

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Model # Description Price Qty
599059 Sump Pump Check Valve $28.82
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Little Giant - 599059 - Sump Pump Check Valve

Full Flow designed, Slip x Slip, ABS construction. Sump pump check valve fits both 1 1/4 and 1 1/2" pipe. Full Flow design passes 1" solids.

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Stop! Required before ordering:

Unless specified above, all pumps are for water use only and are not to be used for any other purpose.

If you are selecting a pump that is designed for pumping products other than water, please check the chemical resistance chart to determine if your pump is fit for your purpose, application and that the pump and seals are compatible for your use.
Warranty is subject to the proper selection of material and seals of the product you are pumping.
Chemical Resistance Chart

  • ABS construction
  • Sump pump check valve fits both 1 1/4 and 1 1/2" pipe
  • Full-flow, slip x slip design passes 1" solids
  • Easy slip fit design makes simple installation
  • Durable flapper design checks back flow of water and sewer gasses
  • Can be installed in vertical or horizontal line
  • Flexible unions slip over ABS, PVC or Copper pipe
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Use of Check Valve in Sewage, Effluent and Ejector Pump Systems:
  1. Valve may be installed horizontally or vertically. However, when intalled in systems handling solids, vave must be installed horizontally or at a maximum of a 45° angle. This will guard against any solids lodging on top of valve flapper and preventing valve from opening on start-up
  2. Valves have flow direction arrows and horizontal and vertical position markings molded on them. Use horizontal position markings for all installations from horizontal to vertical to ensure correct flapper pivot position. (Recommended maximum 45° angle on solids handling applications)
  3. For submersible pump applications, drill a 3/16 hole in discharge pipe approximately 1"-2" above the pump discharge connection to prevent air locking of pump
  4. When check valve is used as a union, connection must be beyond end of basin cover to make servicing of installation easier
  5. A gate valve should be installed after check valve to allow servicing and removal of check valve or pipe
  6. All discharge piping should be properly supported to prevent separation of pipe at valve
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