Whirlpool 10442411 Defrost Thermostat Part (10442401, 10442407, 4344231, 8170725, C8898601, C8978401, C8978402) Defrost thermostat for Whirlpool 10442411 Refrigerator. New and High quality ensured. Hi-Limit. Genuine Replacement Part It is used on Hotpoint and other refrigerator brands.