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Made by Whirlpool. Whirlpool brands include Whirlpool, Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and others. Whirlpool also makes various appliance models for Sears / Kenmore.
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Part Number 12219401 (AP4011792) replaces 12219401, 8170522, 403457, AH2005901, EA2005901, PS2005901.
Jnot for Model Number br18
Answer Hello Jnot. The new defrost thermostat needs to be cold before it will work. If the timer is good and the heater is good, then the unit should defrost. If it does not, you will need to replace the timer R0131577. Hope this helps.
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Heater, Evaporator