Water Controller (LCS 14) Leak Detector Water Alarm & Shut-Off System 1/4"" QC The Water Controller LCS-14 is a specialized&#44; affordable water alarm and shut-off system that is The Water Controller LCS-14 features 1/4 Quick Connect plumbing connections and 4-1/2 feet cord that The LCS14 Leak Controller has the ability to connect as many sensors as needed to a single controller. The LCS-14 is a leak controller for Reverse Osmosis Systems&#44; Water Coolers&#44; Refrigerators&#44; The LCS 14 Leak Controller is a great way to control costly leaks.