Whirlpool R0131577 Defrost Timer for Refrigerator

The Whirlpool R0131577 Refrigerator Defrost Timer is designed for use in Whirlpool refrigerators and plays a key role in regulating automatic defrost cycle. This timer activates a heating cycle that melts frost accumulation on the evaporator coils, which occurs when moisture from the air condenses and freezes during the cooling process. By managing the defrosting intervals, the timer prevents excessive frost buildup that can insulate the coils and hinder their heat absorption capabilities. When frost accumulates too thickly, the refrigerator's compressor must exert more effort to maintain desired temperature, which can lead to increased wear and a reduced lifespan of the compressor.