Water damage rarely starts with a flood. It starts with a drip, a failed condensate line, or a slow leak that travels under cabinets and along floor paths. The APC 20' Leak Sensor is built to catch that movement early, giving operations teams more time to isolate the source and protect critical infrastructure. With a 20 ft sensing length, this sensor is well suited to monitoring longer floor runs, perimeter zones, and areas where water may travel before it becomes visible. That makes it a practical choice for data centers, server rooms, telecom closets, and other spaces where a small leak can interrupt service or damage high-value equipment. For teams that manage uptime as a business requirement, longer coverage matters. It reduces blind spots, improves response time, and helps facilities act before moisture reaches racks, power distribution, or network paths. In environments where every minute counts, a sensor like this adds a layer of protection that is simple to deploy and valuable to keep in place.