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Gulper Grouper Mk3 Fishbox/Waste Pump w/90° Ports - 24V
Non clog electric Waste pumps without filters, built on more than a decade of market leading valve technology.
Proven Diaphragm Technology
Whale Gulper waste products have been at the forefront of marketing leading waste technology for over 2 decades. Rather than impeller motors, Gulper pumps contain reciprocating heavy duty diaphragms and specialized non-choke valves to handle grey, bilge, black and fishbox waste on board.
Ideal Macerator Replacement in Fishbox Installations
The Gulper Grouper Mk 3 builds on the decades of proven pump technology and now features 90° inlet and outlet ports with integrated non-choke valves. The improved design allows the pump to be used as a direct replacementfor macerator impeller pumps. Compared to typical macerators, the Gulper Grouper Mk 3 is quieter and lightweight. With diaphragm technology, the pump does not clog or suffer from motor burn out meaning a longer system life and less unwanted maintenance jobs! With a low power consumption and run dry capability the Gulper Grouper Mk 3 really is the pump of choice for fishbox evacuation.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Specifications:
Warranty
This product is backed by a 12-month limited warranty, covering defects in materials and workmanship under normal use.
Technical Assistance
Our dedicated support team is available to assist with product setup, operation guidance, and troubleshooting. Contact us via email or phone for prompt service.
Documentation & Downloads
Access essential resources including the user manual, technical specifications, and safety instructions in our online support center.
Replacement Parts & Accessories
We offer a full range of genuine replacement parts, including batteries, chargers, and compatible accessories to ensure long-term performance.
Training & Tutorials
Browse our library of how-to videos and maintenance tips to get the most out of your cordless drill.
Find quick answers to common questions
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
Yes, our tools are designed with safety features and easy handling in mind.
Yes, they are tested to perform reliably in demanding environments.
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
Yes, we provide compatible parts and add-ons to extend the life of your tools.
Every tool comes with a detailed user manual, and digital guides are available online.
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
You can register online using your product serial number for faster support.
It includes defects in materials and workmanship under normal use conditions.
Yes, extended warranty plans are available for select tools at checkout.
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
Yes, KRANK provides special pricing and packages for business or team orders.
You can reach our support team by email or phone — we’re here to assist you.
Feel free to reach out to us!
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