This is a Bosch 00631508 Microwave Thermostat. The Bosch 00631508 Microwave Thermostat is a safety device that shuts off the microwave if it overheats. The Bosch OEM Part 00631508 is quality tested and Bosch approved. Part 00631508 may differ in appearance, but is an unused, functional equivalent, and a perfect fit replacement/substitution to prior Bosch Part Number(s): 631508. The Bosch 00631508 is a genuine Original Equipment Manufacturer (Authentic OEM) part from Bosch that fits perfectly with various models from the following Microwave brand(s): Bosch, Thermador. The Bosch Part 00631508 is also called a Regulator. This brand new Bosch part is an authorized OEM part; perfect for repairs and replacements. High-voltage capacitors in a microwave can retain a lethal electrical charge even when the microwave is unplugged; a service technician should install this part. It is recommended to either refer to your appliance service manual, contact your appliance manufacturer, or contact a service professional to validate the needed part number for your appliance prior to purchasing. Bosch makes products that are invented for life. With an enduring commitment to quality and design, Bosch products allow you to savor every detail. When looking for a replacement part that can be trusted and is designed for your specific appliance, look no further, rely on Bosch replacement parts.