The Duke 3508-2 J Type TS Safety is a temperature switch designed for safety applications in various industrial and commercial equipment. This switch features a magnet head and 1/4" NPT connections for easy installation. It operates by sensing temperature changes and triggering a response, such as shutting down equipment or activating an alarm, to prevent overheating or other safety h... https://partsfe.com/3508-2-duke-body-magnet-head-assy