These Intelligent Watering System (IWS) tank assembly kits provide you with the all the equipment you need in order to connect an IWS Water Tank to the brain bucket of your IWS Pro System. The kit supplies pipes, pump and a range of other fittings. The pump is the ultra quiet New-Jet NJ3000 Pump. This is a powerful machine that delivers 3000 litres per hour. It is supplied with an IWS-compatible electrical connector. Your kit also contains piping of two types – 13mm flexi-piping for draining back to the reservoir and 25mm flexi-piping for flooding the system.