My Cart

WRS-5 Drainosaur Pump

Model Number
Little Giant 505055 WRS-5 Drainosaur Pump

Little Giant 505055

The “DRAINOSAUR Jr.” WRS-5 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 preassembled and ready to install.
  • 5 gallon tank
  • Pump made of cast aluminum housing with protective epoxy coating for corrosion resistance
  • Screened intake
  • 1/6HP motor with thermal overload protection
  • Automatic diaphragm pressure switch enclosed in nylon housing with "on" level at 7"- 10" and "off" level at 1"- 4"
  • 5 gallon Basin made of polypropylene — light weight, and corrosion resistant
  • Basin designed with o-rings to provided a water tight seal
  • Basin cover comes with a removable filter screen for easy cleaning
  • Cover comes with 1-1/2" FNPT discharge opening, a 1-1/2" FNPT intake opening and a 2" FNPT vent opening
  • IAPMO listed basin
  • Dimensions: 14.5 x 15.56 (W x H)
  • 10' (3m) power cord

Uses the 5-MSP Pump

More Information
Model Number 505055
Series Drainosaur Sump Pump with Tank Little Giant
Max Flow (GPM.) 15
Max Flow GPH 900
TDH Maximum (Ft) 21
TDH Maximum (PSI) 9
Horsepower (IE .5, 1, 1.5, 20) 0.1600
Inlet Connection Type FNPT
inlet size 1 ½"
Inlet (In.) 1.5
Outlet Connection Type FNPT
Outlet (In.) 1.5
Wetted Materials Aluminum, Nylon, PolyPro
Elastomers / O-ring Buna-Nitrile
Voltage (V) 115
Voltage (Range) 110-120
Phase (Ø) Single (1)
Motor Frequency 60
Motor Hermetically Sealed
Self Priming Yes
Max Operating Temperature (F) 140
Viscosity Milk 3.20 cp 40.00 ssu
Mechanical Seal No
Mechanical Seal Face Carbon-ceramic
Mechanical Seal Type Single
Drain Yes
Port Rotation Yes
Weight (Lbs) 19.000000
Warranty (YRS.) 3