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Shop smart this February! ☃️ Save 10% on select products at checkout* with "feb10".
Shop smart this February! ☃️Save 10% on select products at checkout* with "feb10".

Little Giant WRS-6 506055 Drainosaur® 1/3 HP Sink/Drain Pump System

SKU 506055
Original price $516.35 - Original price $516.35
Original price
$516.35 - $516.35
Current price $516.35
Low stock
Shop smart this February! ☃️ Save 10% on select products with feb10 at Checkout. Brand and product exclusions apply

Little Giant's WRS Series Drainosaur and Drainosaur Jr. provide a conveniently sized tank and pump combo for impractical gravity drainage areas. The compact system removes water from laundry trays, lavatory and wet bar sinks, dehumidifiers, air conditioners, water softeners, and more.


  • Available in 1/6, 1/3, and 4/10 hp options with multiple switch options
  • 3.5 and 5-gallon basin options
  • Designed with o-rings for a watertight seal
  • The cover includes a removable filter for easy cleaning and maintenance
  • 3 Year warranty for WRS-6, WRSC-6, and WRS-9
  • 1-year warranty for WRS5
  • 10' power cord

      Delivery time / Order Processing & Shipping Times

      Rise ships manufacturer direct. We work hard so you receive your product(s) as quickly as possible. Shipping times are subject to each carrier's daily cut-off time, and dependent upon warehouse turnaround. Learn more about our order processing & shipping times here.


      Vent2" (51 mm)
      Discharge2" (51 mm)
      Switch TypeDiaphragm or vertical float
      Basin SizeWRS - 16.17" x 10.63" (41 cm x 27 cm)
      WRSC - 10.55" x 10.63" (26.8 cm x 27 cm)
      Basin MaterialPolypropylene
      Cover MaterialStructural foam
      Pump Options5-ASP, 6-CIA-ML, 6-CIA, 9EC-CIM


      GPM (LPM)
      WRS-6 & WRSC-6
      GPM (LPM)
      GPM (LPM)
      5'15 (56.8)46 (174.1)70 (265)
      10'12 (45.4)29 (109.8)65 (246.1)
      15'8 (30.3)13 (49.2)55 (208.2)
      20'50 (189.3)


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