The Amana-Goodman 0130F00038S Auto Limit Switch is a reliable safety control designed to protect compatible HVAC equipment from excessive temperatures. It works by monitoring system temperature and automatically opening the electrical circuit when unsafe heat levels are detected, helping prevent overheating and component damage. Once temperatures return to a safe range, the switch res... https://www.partshnc.com/0130f00038s-amana-goodman-120-130f-auto-limit-switch