Whirlpool Dishwasher High Limit Thermostat WP661566, Fixes Dishwasher does not heat or dry properly
Whirlpool OEM high-limit thermostat that attaches to the bottom of the dishwasher tub and monitors water temperature.
Confirm your full appliance model number before ordering.
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✅ Cross Reference Information
Common Symptoms
- Dishes do not dry properly
- Dishwasher stops heating water
- Dishwasher may not complete a cycle
- Dishwasher may overheat if the thermostat fails to respond correctly
Check Before Replacing
- Verify the dishwasher model number before ordering.
- Disconnect electrical power before accessing the thermostat.
- Inspect the thermostat and its wiring for visible damage or loose connections.
- Test the thermostat for continuity only according to the appliance service documentation; do not assume a failed thermostat without testing related heating and control components.
Pro Tip
Part Details
Installation Notes
- Disconnect electrical power or turn off the dishwasher circuit breaker before installation.
- Wear protective work gloves when accessing the component.
- Follow the appliance-specific service documentation because access and mounting can vary by model.
Verified Compatible Models
6651571593, 6651671191, 6651765590, 7DU910PFGB0, DP8500XXN0, DP920PFGQ2, DP920PFGQ3, DP920PFGQ4, DP920PFGY2, DP920PFGY3, DP920PFGY4, DP940PWKM0, DP940PWKM1, DP940PWKQ1, DP940PWPQ0, DP940PWPQ1, DU1000CGB1, DU1000CGB2, DU1000CGQ1, DU1000CGQ2, DU1000CGT2, DU1000CGZ1, DU1020XTLB0, DU1020XTLQ0, DU1048XTPQ0, DU1048XTPS0, DU1050XTPB0, DU1050XTPB1, DU1050XTPB3, DU1050XTPQ0, DU1050XTPQ1, DU1050XTPQ3, DU1050XTPS0, DU1050XTPS1, DU1050XTPS3, DU1050XTPT0, DU1050XTPT1, DU1050XTPT3, DU1055XTPB0, DU1055XTPQ0, DU1055XTPS0, DU1055XTPT0, DU1100XTPB0, DU1100XTPB1, DU1100XTPB3, DU1100XTPQ0, DU1100XTPQ1, DU1100XTPQ3, DU1100XTPS0, DU1100XTPS1, DU1100XTPS3, DU1100XTPT0, DU1100XTPT1, DU1100XTPT3, DU8700XX1, DU900PWKQ0, DU9420XX0, DU943PWKQ0, GDP8500XXN1, GU940SCGB2, GU940SCGQ2, GU980SCGB2, GU980SCGQ2, GU980SCGQ3, IUD3100BW4, KUDI24SEBL1, KUDJ230YWH0, KUDJ230YWH2, KUDS01DJSS0, KUDS01FLSS1, KUDS01FLSS2, KUDS01FLSS6, KUDS24SEBL1, KUDS24SEWH1, KUDS25SHBL1, KUDS25SHWH1, WDF320PADW1
Fitment reminder: Match the complete appliance model number, including suffix or revision where applicable, before ordering.
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Kitchener, Ontario N2E 1W8
All brand names are the property of their respective owners and are used for compatibility reference only.
