The General Electric WP28X10013 Air Conditioner Heater Protector safeguards the heater circuit against excessive electrical current or abnormal operating conditions in compatible air conditioner models. This protective component works within the unit’s electrical system by interrupting or limiting power when conditions exceed its designed operating range. Its function supports safer h... https://www.hnkparts.com/wp28x10013-general-electric-protector-heater/4-WP28X10013.html