RainBank Rainwater Harvesting Controller

RainBank is an automatic rainwater harvesting controller supplying water for toilet and laundry applications, that can save up to 40% of a household's mains water use, helping to conserve water. A RainBank system automatically selects the water source with rainwater given priority over mains supply. Mains water is supplied when the tank is empty or in the event of a power outage.

Ideal for metropolitan rainwater harvesting on homes, garden irrigation and toilet blocks, the RainBank rainwater switching device uses patented, uncomplicated technology to providing a dependable solution to rainwater harvesting.

Find a Dealer

All images representative only. Not all models shown.


RainBank is an automatic rainwater-to-mains switching device that can be mounted directly on to the pump or a nearby supportive wall for easy access. RainBank is an environmentally friendly solution, reducing flow to storm water systems; and has low power consumption in standby, yet provides seamless mains backup in the event of no rainwater or electrical interruptions.

Models in the range:

  • Side Entry options
    • KRB2F - for use with pump model HP50-06, flow rate of 46 lpm at 200kPa


  • Top Entry options
    • KRB2 - for use with pump model HS50-06, flow rate of 46 lpm at 200kPa
    • KRB3 - for use with pump model HM60-08*, flow rate of 60 lpm at 200kPa
    • KRB4 - for use with pump model Hm90-13*, flow rate of 80 lpm at 200kPa

RainBank is available with a wide range of home pressure systems including floatless options for flooded suction applications. Systems to suit submersible pumps are also available, and RainBank Pro for commercial applications.

Please refer to the documentation for all features and full technical specifications.