Water Conservation for Irrigation

Water conservation is a critical aspect of sustainable living, particularly in regions where water resources are scarce or face increasing demands. When it comes to irrigation, a smart approach is essential to optimise water usage. One innovative solution that stands out is the Davey RainBank Rainwater Harvesting Controller. This automatic rainwater harvesting controller is designed to significantly reduce household mains water consumption, offering both environmental and practical benefits.

The RainBank system operates by automatically selecting the water source, giving priority to rainwater over the mains supply. This intelligent technology allows households to save up to 40% of their mains water use. The significance of this cannot be overstated, especially in times when water scarcity is a growing concern globally.

Irrigation set up on a large scale farm. Captured by Joel Dunn.

Uses and Design

Designed for various applications, including garden irrigation, toilet blocks, and home use in metropolitan areas, the RainBank system is a versatile and reliable solution. One of its key features is its seamless transition between rainwater and mains supply. When the rainwater tank is empty or during a power outage, the RainBank system effortlessly switches to mains water, ensuring a continuous water supply.

The environmental impact of the RainBank system is noteworthy. By reducing reliance on mains water, it contributes to the conservation of this precious resource. Additionally, the system has low power consumption during standby, aligning with the principles of sustainability.

The RainBank rainwater switching device is easy to install and can be mounted directly onto the pump or a nearby supportive wall, providing convenient access. Its uncomplicated technology, coupled with patented features, ensures a dependable and efficient rainwater harvesting solution.

RainBank Rainwater Harvesting Controller. Source: daveywater.com


Davey offers a range of RainBank models to suit different needs. The Side Entry options (KRB2F) are compatible with pump model HP50-06, providing a flow rate of 46 litres per minute at 200 kilopascals. The Top Entry options include KRB2 for use with pump model HS50-06, KRB3 for pump model HM60-08*, and KRB4 for pump model Hm90-13*, offering varying flow rates to accommodate different requirements.

Whether it’s residential or commercial applications, the RainBank system caters to diverse needs. It is available with a wide range of home pressure systems, including floatless options for flooded suction applications. Specialised systems for submersible pumps and RainBank Pro for commercial applications further demonstrate the versatility of this rainwater harvesting controller.

In conclusion, the Davey RainBank Rainwater Harvesting Controller is a commendable choice for those seeking an efficient, eco-friendly solution for irrigation. Its automatic rain-to-mains switching, low power consumption, and seamless operation make it a valuable asset for water-conscious households and businesses alike. By incorporating the RainBank system into your irrigation setup, you not only contribute to water conservation but also enjoy the practical benefits of a reliable and intelligent water supply system.

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