The Maytag washer model A506 does not have an electronic temperature sensor as found in more modern washers. The A506 washer is an older model, and during its production era, electronic temperature sensors were not commonly integrated into household appliances. Instead, the Maytag A506 washer typically uses mechanical controls and a traditional thermostat to regulate water temperature during the wash cycle. The thermostat is a mechanical component that monitors the water temperature and signals the washer to adjust the hot and cold water supply accordingly. When you select a specific wash temperature setting on the A506 washer, the thermostat allows hot and cold water to mix in the appropriate proportions to achieve the desired temperature. The washer then uses this mixed water for the selected wash cycle. It's important to note that older washers like the Maytag A506 might not have the same level of temperature precision and control as more modern models with electronic temperature sensors. If you require precise temperature control or advanced features, you may want to consider upgrading to a newer washer model with more sophisticated technology. For the most accurate and up-to-date information about your specific Maytag A506 washer model, it's advisable to refer to the user manual or contact Maytag's official customer support. They can provide you with details about the washer's features and functionality, including information about its temperature control system.