Quick view Advantage Controls Advantage Controls Optical Leak Detection Sensor MSRP: ā±24,349.95 The general purpose of the optic leak switch is to provide reliable leak detection in and around secondary containment, tanks, pumps, and piping systems with a 1A relay dry contact output. The dry... MSRP: ā±24,349.95 Add to Cart The item has been added Add to Wish list