This is actually a very simple yet clever idea. If people knew how much water they were wasting on their lawns and filling up their bath tubs, they might reconsider their consumption habits. With all the chemicals and pesticides washing into our water supply. People may want to conserve fresh water a little more instead of wasting it. The temperature feature would also be use full during flu season when your supposed to wash dishes at a higher temperature to kill germs and bacteria.