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Gulper Grouper Mk3 Fishbox/Waste Pump w/90° Ports - 12V
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:
- Inlet Style: Angled
- Type: Waste Pumps
- Box Dimensions: 6"H x 6"W x 14"L WT: 4.9 lbs
- UPC: 766478949592
Brochure (pdf)
FAQs
Product & Usage
1. Are KRANK tools built for professional use?
Yes, all our tools are engineered for heavy-duty performance and long-term reliability.
2. Are KRANK tools safe to use for beginners?
Yes, our tools are designed with safety features and easy handling in mind.
3. Can KRANK tools be used in extreme conditions?
Yes, they are tested to perform reliably in demanding environments.
Maintenance & Accessories
1. What maintenance is required for the tools?
Regular cleaning and proper storage are usually enough to keep your tools in top condition.
2. Can replacement parts or accessories be purchased separately?
Yes, we provide compatible parts and add-ons to extend the life of your tools.
3. Do you provide instruction manuals or usage guides?
Every tool comes with a detailed user manual, and digital guides are available online.
Warranty & Guarantee
1. Do the tools come with a warranty?
Every KRANK tool includes a 1-year warranty, with extended options available on select products.
2. How do I register my KRANK tool for warranty coverage?
You can register online using your product serial number for faster support.
3. What does the warranty cover?
It includes defects in materials and workmanship under normal use conditions.
4. Is there an option to extend the warranty?
Yes, extended warranty plans are available for select tools at checkout.
Purchasing & Support
1. How fast is shipping and delivery?
Orders ship within 24 hours, and delivery typically takes 3–5 business days.
2. Do you offer bulk or corporate purchasing options?
Yes, KRANK provides special pricing and packages for business or team orders.
3. How can I contact customer support if I need help?
You can reach our support team by email or phone — we’re here to assist you.
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