On the average house roof one millimetre of rain generates 250 litres of water. Without a water diverter this water runs to waste. With our new generation of smart Water Diverter fitted to your downpipe, rainfall and heavy dew can be harvested then diverted through double outlets to any area of your garden, lawn, top-up a pool, spa or tank by simply attaching your garden or pool hose to one of the diverter outlet. You don?t have to worry about any excess water build up In extra heavy rain, what the Water Diverter doesn't harvest the overflow system will direct excess water down the back cavity of the diverter and back down into to your downpipe and away as usual.