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12 Series
12 Series 12 Series 12 Series 12 Series
Onga Water Transfer Available to Order

12 Series

The Onga 12 Series is an industrial centrifugal pump designed for domestic, industrial or rural water transfer pump including grey water and sump emptying. Suitable for residential, rural, commercial and industrial water systems, it helps provide dependable water movement and efficient system performance through high-grade, corrosion-resistant composite construction. Multiple models or configurations are available to suit different flow, pressure, capacity and installation requirements.
Max Head 20 m
Max Flow 280 lpm
Warranty 1 year
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🔧 NZ-based technical support 📄 Trade pricing on request 🕐 Quotes typically same day

Applications

  • Domestic
  • Rural water transfer pump including grey water
  • Sump emptying
  • Effluent transfer
  • Hydroponics
  • Fountains
  • Waterfalls
  • Industrial

Key Features

  • High-grade corrosion-resistant composite construction
  • Open designed impeller
  • Strong and durable construction

Downloads

12 Series Technical Data Sheet PDF 12 Series Product Flyer PDF 12 Series Manual PDF 12 Series Spare Parts PDF

Technical specifications

View full specification table
Brand Onga
Model 12 Series
Equipment Category Moulded Water Transfer Centrifugal Pumps
Fluid Water
Maximum Water Temperature 70°C
Minimum Water Temperature 1°C
Maximum Ambient Temperature 55°C
Maximum Working Pressure 350kPa
Warranty 1 year

Frequently asked questions

Can an Onga 12 Series pump transfer greywater or septic-tank effluent?
Yes. The self-priming 12 Series is designed for water transfer applications involving greywater, septic-tank effluent and liquids containing soft solids.
Does the Onga 12 Series need to be primed before use?
The 12 Series has a built-in check valve that provides strong self-priming performance. Follow the installation and priming instructions for the specific model.
Will the Onga 12 Series clog on soft solids?
The pump uses an open impeller designed to pass soft solids more effectively than a standard closed-impeller transfer pump. It is not intended for hard debris or materials that can bind around the impeller.
How much water can an Onga 12 Series pump move?
Depending on the model and system conditions, the range can deliver up to 280 litres per minute, with a maximum head of 20 metres.
Is the Onga 12 Series easy to service?
Yes. It is a surface-mounted pump, making it more accessible for inspection and servicing than a submerged pump. Contact us if you need help selecting the right model for your application.

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