• Whale 20 litre GWT 1 switch Deutsch

Whale’s Largest Range of Multi-Port Grey Waste Tanks Ever!
Simple system - Allows you to manage all grey waste on board through one thru-hull fitting.
Resilient polyethylene one-piece moulded tanks designed to handle grey waste on board - ideal for use with Gulper Grey Waste pumps for unbeaten debris handling.

8 ltr capacity grey waste tanks - compact design allows you to mount a Gulper pump directly to the side to save space and simplify pipe runs. 


16 ltr capacity grey waste tanks - higher capacity design allows you to mount a Gulper pump directly to the side to save space and simplify pipe runs.


20 ltr capacity grey waste tanks - outlet ports and sensor locations minimise air pumping noise.



New grey waste tank lid with fully integrated sensor


  • Intelligent Control - sensor activates pump automatically to
    empty grey waste tank only when required
  • Robust - enclosed housing with dual seal ensures the best
    component protection in the harsh grey waste environment
  • Reliable - designed to reduce dirt and debris build-up
  • Compatible - lid design allows retrofitting to existing Whale grey waste tank systems
  • Simple installation - two wires can connect to any 12 or 24V
    pump system, up to 20A, with no requirement for a relay


Whale 20 litre GWT 1 switch Deutsch

  • Brand: Whale
  • Product Code: GT2031B
  • Availability: 2-3 Days