W10225581 Refrigerator Bimetal Defrost Thermostat for Whirlpool Kenmore - 4 Pack 3977768 The pleated filters turn dark

The pleated filters turn dark gray or black

Confirm compatibility by checking your appliance's original part number or model number

Heating Element: Rated at 5400 Watts and 240 Volts

ensure the dryer is not in the middle of a cycle

Machine Alert: When the brewer's digital display indicates a "Change Water Filter" reminder

W10225581 Refrigerator Bimetal Defrost Thermostat for Whirlpool Kenmore - 4 Pack 3977768 The pleated filters turn darkW10225581 Refrigerator Bimetal Defrost Thermostat Key Features Monitors evaporator temperature to regulate the defrost cycle. Protects the evaporator from overheating. Clip on design for mounting directly to refrigerator tubing. Replaces Cross Reference Part Numbers WPW10225581 AP6017375 PS11750673 2188824 2321799 2319914 2149849 2266067 W10260437 WPW10225581VP Compatibility & Fitment Fits a wide range of refrigerator models from major manufacturers.