Onga offer a wide range of submersible sump pumps to suit almost any drainage application. The Onga Drenox series 250/10 is constructed entirely of 304 grade stainless steel, including a cast stainless steel impeller. The 80/7 is 304 grade stainless steel pump with a plastic impeller. Both models include a heat exchange chamber to cool the motor for long periods of unsubmerged operation, and an oil chamber for lubrication of the seal. Suitable for continuous operation.

Key Features

  • Strong, durable and corrosion resistant stainless steel construction
  • Heat exchange chamber allows pump to run for long periods without complete immersion
  • Drainage level to 3mm*
  • Free passage up to 6mm
  • Vortex impeller
  • Dual lip seal
  • Float switch
  • Moisture sealed cable inlet
  • Max head -9.5 m
  • Max flow – 250 lpm


Disposal of domestic waste water, dewatering (clean water), fountains and water features

Contact your Dealer for price and availability.

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