The Whirlpool WP8578906 is an equivalent dryer timer, a crucial component that regulates the duration of your dryer's drying cycles. Similar to the drying process's brain, it does its job. This signal is sent to the timer, which then starts the cycle in accordance with the drying setting you choose on the control panel. The timer diligently records the amount of time that has passed during the cycle, making sure that your clothing dry at the ideal rate for the kind of fabric and moisture content. Clothes that are either over-dried or under-dried can result from a broken timer in your laundry. While clothing that are not completely dried can come out damp and mildewed, over-drying can result in shrinkage and creases.