The Whirlpool WP33002803 Dryer Timer regulates the drying cycle, so it functions the control how long the dryer operates, and the users can set the drying time according to the load. When the timer reaches its preset limit, the dryer is signaled to stop, preventing over-drying, it cuts down energy consumption and saves fabrics from future damage. The advantage is that the control over drying cycles is precise, drying cycles are efficient and clothes are also extended in life, an optimal drying time also helps to save electricity.