Whale Marine 12V Gulper Grouper Fishbox Waste Pump

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Whale Marine 12V Gulper Grouper Fishbox Waste Pump

The Whale Marine Gulper Grouper Fishbox Waste Pump is a remote mount bilge waste pump and strainer system that features non-clog electric valve technology. Built on more than a decade of leading pump technology, the Gulper Grouper uses no filter and doesn't clog. Replace your macerator with the ultimate fishbox waste pump that offers standard 1" or 1-1/2" connections with non choke waste box suits.


  • Non-choke valves - easily handle fishbox waste
  • Ideal replacement for macerator pumps
  • Diaphragm pump technology: no impeller to clog or burn
  • Save money - single pump from multiple wells
  • 360° head rotation and 1" / 1-1/2" hose connections for easy install
  • Easy to maintain and clean
  • Runs dry without damage for long term durability
  • Low power consumption is easy on your battery
  • Multi-directional head position allows to fit in convenient locations


  • Voltage: 12 V d.c.
  • Recommended fuse size: 10A automotive
  • Minimum wire size: 16 AWG
  • Weight: 3.5 lbs
  • Flow rater per minute: 6.75 US Gals (25.5L)
  • Maximum suction lift: 1.7 ft (.5M)
  • Max discharge head: 10 ft (3M)
  • Dry running current: 5A

pdficon.pngClick here to download Gulper Grouper Pump Installation Instructions

California Residents: warning sign WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov

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