RainBank EVO In Tank System

RainBank EVO In Tank System

EvolutionMkII Rainwater Tank System with Davey RainBank inside


The all-in-one RainBank Evolution MKII comprises of a sumbersible D42A/B pump, a RainBank switching device and optional filtration.  It sits neatly out of view in the top of the tank to dramatically reduce messy pipework.


Davey RainBank is ideal for metropolitan rainwater harvesting for:
• Homes
• Toilet blocks
• Garden irrigation


WHY CHOOSE THE EvolutionMkII Rainwater Tank System?


  • Patented, yet uncomplicated technology, providing a dependable solution to rainwater harvesting. Beware of imitiations, if it doesn't have Davey on it, it's not a RainBank!
  • RainBank automatically switches between rainwater and mains water supply, so you don’t need to think about it.
  • Fits neatly in the top of the tank for a space-saving, sleek design.
  • Incorporates easily with new homes and buildings. All installation materials are included to save you time and money.
  • Placement of the connection points saves time on installation.
  • Environmentally friendly:
    • Saving water
    • Reducing flow to storm water systems
    • No re-pumping of mains water
    • Low power consumption in standby
  • No solenoid valves used. Provides seamless mains backup in the event of no rainwater or electrical interruptions.
  • Built-in backflow protection valve (dual check valve) in compliance with the requirements of AS/NZS 3500-1-2003 for added safety and assured protection of your mains water supply.
  • RainBank control module has Watermark approval under licence WMKA 22042.


Documents below are available for download

• EVO2 Datasheet
• RainBank Datasheet

EvolutionMkII Rainwater Tank System with Davey RainBank inside

EVO2 - Evolution MkII with standard D42A/B pump.

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