This table is a guide to the quantities you can expect to successfully operate from a single supply line.

Additional lines can be added to achieve full coverage. The area of the garden covered by one supply line is known as a zone. A solenoid valve provides the automatic control for one zone.

The ever-increasing popularity of television gardening programs has generated a new interest in the way we view our gardens. From easy maintenance gardens for people who have little time, but still appreciate the importance of our gardens play in our living environment, to the more substantial garden. Outdoors can now receive the same alteration to suit changing tastes as was previously only afforded to our home interiors. SPA irrigation systems have a place in every garden, they remove the daily chore of watering, they conserve water and they stop you worrying about who will water whilst you are away. How does it adapt to the changes? As plants are added, removed or re-located; Pots, tubs and containers moved, removed or increased, your SPA irrigation system can be adapted to accommodate new requirements. Remove a spray etc. and block the hole with a special plug, or change a spray head for a more appropriate pattern you can alter your system infinitely. So, your SPA irrigation system only ends when your garden stops changing.