Whirlpool Dishwasher High-Limit Thermostat - WP661566

Whirlpool Dishwasher High-Limit Thermostat - WP661566

Restore high-temperature safety control with this genuine OEM Whirlpool Dishwasher High-Limit Thermostat. This part provides temperature or safety feedback used by the control to regulate operation and protect the appliance.

WP661566 is a genuine OEM Whirlpool Dishwasher High-Limit Thermostat. Because visually similar service parts can differ by model revision, connector, mounting, or specification, confirm the exact model before installation.

Compatibility: Designed for select Whirlpool dishwasher models that specify WP661566 in the service parts list. Model-number verification is required.

Fitment / What To Verify: Match the exact sensing function and location, connector, mounting, and model-specific calibration/rating when specified. Similar sensors and thermostats may use different electrical characteristics.

Please confirm fitment with your appliance or equipment model number before ordering.

Is it time to replace?

• Common Symptoms: Temperature control is inaccurate, heating/cooling cycles incorrectly, or a temperature/safety related fault is present.
• Visible/Sensory Cues: Damaged sensor body, burned or open thermal device, corroded connector, broken wire, or abnormal continuity/resistance for the specified test.

Pro Tip: Test the device and harness using the manufacturer procedure when possible; verify the fault is not caused by airflow, overheating, or another failed component.

Technical Specifications