This Jackson 5930-510-03-79 Thermostat operates as a fixed temperature controller that maintains 195°F through its 1/4" x 6-1/2" rigid bulb and functions in Temp Star and 200B improve dishwashers. The thermostat controls dishwasher temperature to maintain efficient cleaning by preventing both overheating and underheating conditions. https://partsfe.ca/thermostat-for-jackson-part-5930-510-03-79