The RainCycle from Watts is a commerical rainwater harvesting system that captures, stores, pumps and treats rainwater for use in irrigation, toilets, washing and other applications. Watts notes its modular systems can be customized to match the location and project needs. The RainCycle comes with a pre-filter, storage tank, booster pump, rainwter control station and other accessories such as actuated control valves and hydropneumatic pressure tanks.