Bach-Simpson™ electronic temperature controls are designed to replace mechanical switches used on locomotives. Accuracy and reliability of the solid-state circuitry improves fuel efficiency, increases fan life and decreases maintenance costs. Features of the unit include interchangeable probes requiring no calibration, which makes for fast and simple installation. Options include status display, fan rotation and programmable temperatures. Many configurations are available. Bach-Simpson™ will custom design this product to your specific application.