Description
WP661566 Whirlpool Dishwasher High Limit Thermostat Catalog identification: Whirlpool; original part number WP661566; appliance designation dishwasher. A high-limit thermostat is a temperature-responsive protective control. It is not the same as the normal cycle temperature control, and its operating threshold is model-specific. Possible symptoms, not a diagnosis: Interrupted heating or repeated overheating may be related to the protective circuit. Restricted airflow or water flow, control faults, wiring and the heater can also be involved. A protective interruption can indicate another underlying fault rather than a defective thermostat. These observations do not prove this part is defective or apply to every model. Match the exact protective component in the model diagram. Have the cause of abnormal heating assessed professionally; never bypass a temperature safety control. Before ordering WP661566, match the appliance's full model number, including its suffix, to the parts diagram and any documented replacement or revision number. Arrange qualified assessment where needed rather than replacing parts on symptoms alone. Exact model compatibility and manufacturer provenance have not been verified for this catalog entry.
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