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WRS Series, a convenient sized tank and pump combo, is ideal for impractical gravity drainage areas such as under sinks and laundry trays. The compact Drainosaur removes water from laundry trays, lavatory sinks, wet bar sinks, dehumidifiers, air conditioners (condensate), water softeners, etc. Installs above floor, no need to dig a sump. Unit is pre-assembled and ready to install.


  • 3.5 Gal. tank size
  • Includes two 1-1/2 in. MNPT x 2 in. slip adapters for inlet and discharge
  • Includes one 2 in. MNPT x 1-1/2 in. slip adapter for vent
  • Cylindrical polypropylene tank
  • Easy to remove filter trap available
  • cCSAus listing (pump only)
  • IAPMO approved basins
  • Automatic operation with integral diaphragm switch: On level: 7 in. – 10 in.; Off level: 1 in. – 4 in.; (Integral diaphragm switch is non-adjustable)


  • Brand: Little Giant
  • Amperage (amps): 9
  • Housing Material: Cast-Iron
  • Maximum Horsepower (hp): 1/3
  • Product Weight (lb.): 25
  • Vertical Lift (ft.): 18
  • Voltage: 115 V
  • Cord Length (ft.): 8
  • Maximum Pressure (psi): 7.8

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