Gulper Toilet Holding Tank Pump



Gulper® Toilet Pump – Black Waste Holding Tank Pump Out (Discharge)

Pump Designed To Manage Unmacerated Toilet Waste

  • Non-choke valves
  • Pumps unmacerated toilet waste
  • Can run dry without damage
  • Pumps air / water mixtures
  • Robust, reliable design
  • Pumps up to 18 litres (4.75 US gals) per minute at open flow
  • Multi-directional head allows the pump to be mounted in the most convenient part of the boat
  • Self-priming up to 3 m (10 ft)
  • No moving parts in the pump head ensures continuous pump action
  • Specification Sheet
SKU: Whale Gulper Black Water Pump Category:


Large capacity heavy duty black waste pump. The large inlet/outlet and free flow valve design allows the pumping of unmacerated toilet waste. Tails suit 38mm hose.

Since 1995, Whale Gulper led the way in non-clog pumps. All Gulpers incoroprate a series of valves through which the waste passes. No filters to clog, and no risk of motor burn out, just reliable performance when you really need it.

The Gulper Toilet Pump is designed to manage unmacerated toilet waste, and is ideal for holding tanks and vacuum systems.

  • Pumps unmacerated toilet waste
  • Runs dry without damage
  • Up to 18 ltrs (4.75 US gal) per minute
  • Virtually unblockable
  • Rotatable inlet and outlet- allows you to install in awkward location
  • Self priming up to 3 m (9.8 ft)-mount the pump  in the  most convenient part of boat
  • Pumps a mixture of air and waste
  • Easy to maintain
  • Large single diaphragm
  • Ideal for use in conjunction with Whale’s robust and durable Diverter Valve 1 ½” ports – DV5606


Gulper Toilet Pump – 12V / 5amp Length: 287mm Width: 360mm Height: 117mm Hose Size: 4mm r/h Condition New UPC  9319786090633
Length: 287mm Width: 360mm Height: 117mm Hose Size: 4mm r/h

DOWNLOAD – Whale Gulper Installation Guide

Additional information


Whale Gulper Black Water Pump – 12V, Whale Gulper Black Water Pump – 24V