Enjoy a warmer pool this season without your fuel costs skyrocketing. Hayward's heaters represent innovative heating technology for pools and spas. Its hydraulic performance also saves energy by reducing the circulation time of the pump. It can raise the temperature of an 800 gallon pool 30 degrees in less than an hour you'll feel the benefits the moment you step into the water. This approach to heating your pool is an efficient use of energy"showing once again our commitment to developing earth-friendly products.