Rainwater can easily be collected in a water butt and is better for   garden plants than tap water.
When installed using a drainpipe diverter   they require little maintenance. With the use of a diverter water from a   drainpipe is diverted into the butt until it is full. Once it is full   any further water is directed down the drainpipe to the ground drain.
Using a combination of products it is possible to collect and store   hundreds of gallons of rainwater, which can prove valuable for your   garden during dry summer months.