
High Limit Thermostat
The WP661566 is a high limit thermostat for Whirlpool dishwasher. Basic tools needed. Compare prices from top sellers.
Replaces: 2887, 3369777, 3370783, 3371618, 4171694, 661566, AP6010246, W10339474, WP661566VP
Moderate Repair
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4 stores · Updated May 16, 2026$13.21
4.8(728)In Stock
Go to Store$29.47
4.5(13.6k)In Stock
Go to Store$29.48
4.8(21.9k)In Stock
Go to Store$34.63
4.4(3.1k)In Stock
Go to StoreThe Dishwasher High Limit Thermostat is a safety device located at the bottom of the dishwasher. The only difference between the high limit thermostat and the operating thermostat is their opening and closing temperatures. If your dishwasher won’t heat, replacing this part may alleviate the issue. Replacing this part will require basic hand tools, some disassembly of the appliance and novice repair experience. You must unplug the appliance or shut off the house circuit breaker before installing this part. Also make sure you turn off the water supply under the sink. Helpful Tip: We also recommend using affresh® Dishwasher Cleaner (item W10282479) once a month or as needed, to help remove limescale and mineral buildup that can affect your dishwasher's performance. *affresh® brand products are owned and distributed by Whirlpool Corporation.
Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher High Limit Thermostat
• Tools Needed: Multi screwdriver
Part Specification
• This product is a Factory Certified Part. These three words represent quality parts and accessories designed specifically for your appliance. Time tested engineering that meets our strict quality specifications
• This product is a replacement part
• Package contains (1) Dishwasher High Limit Thermostat
• Tools Needed: Multi screwdriver
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Common Problems This Part Fixes
Not drying dishes
Repair difficulty: Moderate - basic tools and 1-2 panels to remove
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