Davey KRBS1 Rainbank RB2/S & D42A/B

$1553.00 $999.00
Brand Davey
Model KRBS1
Availability In Stock
General information

 Davey Rainbank :


RainBank can save up to 40% of a households mains water use, helping to conserve this precious resource and lower water bills. It is an automatic controller for rainwater harvesting supplying water for toilet and laundry applications.

The system automatically selects the water source with rainwater given the priority over mains supply. Mains water is supplied when the tank is empty or in the event of a power outage.

RainBank is available with a wide range of dependable Davey pressure systems to meet the needs of your home plumbing including floatless options for flooded suction applications. Systems to suit submersible pumps are also available as well as RainBank Pro for commercial applications.


• Rain Bank® is an automatic controller for rainwater harvesting.
• Rain Bank® controls the water supply for toilet and laundry applications by automatically selecting the water source with rainwater being the priority and mains water the back-up.
• Rain Bank® is available as a kit with a range of dependable Davey pumps to suit a wide range of homes and applications. 'S' kits have submersible pumps that are ideal for running in the tank to eliminate noise.
• Rain Bank® automatically switches between rainwater and mains water supply, so there is no need for consumer intervention.

Other Features:

  • Submersible in-tank pump
  • Quieter running for smaller domestic lot sizes
  • Tidier installaton
  • Pump can not be tampered with by children or pets
  • Suitable for above and below ground tanks.
  • Davey D42A/B Pump 
  • 3 Year Warranty 

RainBank is ideal for:
• metropolitan rainwater harvesting on homes
• toilet blocks
• garden irrigation.


Pump Curve:

Davey PumpCurve Rainbank


Selection Guide:

Davey Rainbanks Large


 Rainbank Chart:



 Installation Guide:

RainBank Install options


Spec & Features
  • Features and technical specification of the product. Please contact us for further information and specifics.
  • Output power
    0.6 kw
  • Flow @ 200kPa
    40 lpm
  • Stages
  • Mains water inlet size
    3 /4” BSP(M)
  • Rainwater inlet size
    1” BSP(M)
  • Rainbank Outlet size
    3 /4” BSP(M)
  • D42A/B outlet size
  • Minimum water temperature
  • Maximum water temperature continuous
  • Suits
    Single Storey Homes
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