The Alleviator is a unique irrigation valve that eliminates tedious, time consuming, and costly irrigation system maintenance scheduling. With The Alleviator, the irrigation contractor can now access the ' water supply from OUTSIDE the ' home or building. No more customer scheduling headaches, no more wasted trips, no more wasted money, NO MORE HASSLES! And as an added benefit, The Alleviator will prevent system freeze-ups in colder climates, providing peace of mind for you and your customers throughout the long winter season.