Value Rainwater Harvesting system 3090 litre underground kit for home and garden. The larger economy rainwater system from Rainwater Harvesting Ltd supplied complete as a kit for use as a domestic and or garden system. Featuring auto-mains back-up.
The graphic image above shows the main components of the Value DB System and a typical layout for a simple domestic and garden application. The item marked with a * is the Rain Backup in a Box®. This 12v automated valve will trickle a small amount of mains water into the tank when it is very low due to sustained drought to allow the connected domestic appliances (e.g. toilet) to work. Read more about this control system here