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Customer Questions and Answers for Valve by Whirlpool

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    • Part Number: AP3890458
    • MFG Part Number: 8578341
    • Made by: Whirlpool
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For Whirlpool Valve (Part Number: AP3890458)

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The cold water coming in is ok. The hot water does not work at all. I took out the valve and connected it to a water tap then applied voltage to the hot water inlet solenoid and the valve works ok. I checked the wiring for the hot water valve back through the switches, all checks ok. What is the bi-metal thermistor on the outlet for? It is not shown on the diagram that comes inside the machine. Right now it checks open on an ohmmeter.

Gary S. for Model Number Inglis IS44000

ANSWER Hello Gary, This will either be the water inlet valve 8578341 thermistor or the temperature switch 8578337. The thermister cycles the hot or cold mixing valve of or back on to control the water temperature. 

Answered by AppliancePartsPros.com   |   Tuesday, April 09, 2013

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