Resideo L1 WiFi Water Leak Detector

The Resideo L1 WiFi Water Leak Detector Single Pack is a smart environmental sensor designed for proactive protection against water damage, freezing temperatures, and high humidity. Ideal for homes, condos, or commercial properties, this detector provides early alerts so you can act before costly damage occurs.

With WiFi connectivity built in, the unit sends mobile push and email notifications when it detects signs of water leakage, freeze events, or humidity spikes. Featuring a 5-foot sensing cable that detects water along its entire length, the detector offers extended coverage and flexibility in placement under sinks, around appliances, or near water heaters.

This compact detector is easy to install yet built for reliable performance in demanding environments. Designed for continuous monitoring and backed by professional warranties, it is perfect for installers, property managers, and facility maintenance teams seeking rush-response detection and control.

Key Features

• WiFi enabled – connects directly to home or facility networks, no extra hub required
• Water sensing cable included – 5-foot cable detects water along full length
• Freeze and humidity monitoring – alerts triggered by low temperatures or rising humidity
• Expandable coverage – supports additional sensing cables up to 500 ft total length
• Reusable after alarm – simply dry the cable and unit to reset after a wet-event

Technical Specifications

• Alert Types: Mobile push notification, email notification, built-in audible alarm (~100 dB)
• Expandable Cable Length: Up to 500 ft (via add-on cables) for extended coverage