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Whale Gulper Grouper Mk2 Fishbox Discharge Pump

Whale Gulper Grouper Mk2 Fishbox Discharge Pump

  • Flow Rate: 4.74 GPM, Port Size: 1" and 1/1/2"
  • Select Voltage, Draw: 7 Amps @ 12 Volts DC and 3.5 Amps @ 24 Volts DC
  • Applications: Fishbox, Livewell and Baitwell Waste Pump
  • Item #: 
    Model #: 
    Multiple Models Available
    Shipping Weight: 
    4.80 Lbs.
    List Price: 
    Reg. Price:
    Sale Price:
    Please enter quantity below.

    Model #
    12 Volt DC
      *In Stock!*
    Reg. Price: $159.99
    Sale Price: $111.99
    24 Volt DC
    Reg. Price: $159.99
    Sale Price: $111.99
    Click the "More Info" button above for specific information about that product.

    The Whale Gulper® Grouper pumps out fishbox and baitwell waste without clogging, built on more than a decade of market leading pump technology.


    • The Gulper Grouper MK2 is a non-choke, fishbox / baitwell waste pump that suits standard 1" and 1-1/2" hose
    • Replace your macerator with the ultimate fishbox waste pump
    • Applications: Fishbox, Livewell and Baitwell Waste Pumps
    • Diaphragm pump: No impeller to clog or burn
    • Non-choke valves in pump head to easily handle fishbox waste
      • No motor to clog or burn out
    • Long term durability and runs dry without damage
    • Low amp draw
      • Save battery - Low power consumption
        • Nominal Voltage: 12 Volts DC, Dry Running Current/Draw: 5 Amps
        • Nominal Voltage: 24 Volts DC, Dry Running Current/Draw: 2.5 Amps
    • Save money
      • Use a Single pump for multiple wells
    • Easy to install -
      • Fits in convenient locations
      • Multi-directional head position with 360 degree head rotation
      • Choice of 1" or 1-1/2" hose connections to suit your installation needs
    • Easy to maintain and clean
    • Ideal replacement for macerator pumps
    • Fast pump out
      • Up to 4.74 US gallons per minute
    • CE Marked
    • IP45 Rated
    • 1 year warranty

    Available Models:

    Model No. Voltage Max. Current Draw Fuse
    BP4672 12 VDC 8.0 A 10 A
    BP4674 24 VDC 5.3 A 5 A

    For further details see Data Sheet for this product

    Learn more about Servicing the Whale Gulper range of pumps in the video below:

    Documentation available at the following links:

    Camco Livewell / Baitwell Cleaner
    Item #: 756787
  • Cleans, Deodorizes, Removes Slime and Stains
  • 100% Biodegradable, Safe for Marine Environment Discharge
  • (1) Tablet Treats up to a 40 Gallon Tank, Package of (6) Tablets
  •   null
    Model #:
    SHURflo Livewell Fill Valve - 3/4" and 1-1/8"
    Item #: 501779
  • Outlet Diameter: 3/4" and 1-1/8" Full Port Fittings Included
  • Material: Nylon Construction, High Flow, Side Mount, Multi-Directional
  • Low Profile Design, Fully Adjustable Flow, Will not Rust or Corrode
  •   null
    Reg. Price

    Sale Price

    Model #:
    Whale Gulper Grouper Mk1 Fishbox Discharge Pump
    Item #: 503171
  • Flow Rate: 6.75 GPM, Port Size: 1" or 1-1/2"
  • Select Voltage, Current Draw: 5 Amps @ 12 Volt DC
  • Easy to Install, Non-Clogging Filterless Fishbox Waste Pump
  •   null
    Reg. Price:
    From: $209.99
    To: $219.99

    Sale Price:
    From: $178.49
    To: $186.99

    Model #:
    Multiple Voltage Choices Available

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