Honeywell Home FP280 Wireless External Flood Probe Sensor, White

Protect basements, laundry rooms, refrigeration and critical equipment from water damage and temperature excursions with the Honeywell Home FP280 Wireless External Flood Probe Sensor. Designed for easy integration into existing security and monitoring systems, the FP280 sends a water contact alarm to a compatible wired transmitter (such as the Honeywell 5821 or 470-12), which then relays the alert wirelessly to your control panel — minimizing response time and limiting damage.

This compact white flood probe uses a CR123A battery for up to 10 years of operation, reducing maintenance and costly battery changes. The included external sensing cable and built-in resistor deliver consistent, reliable leak detection even in narrow or hidden locations, while flexible mounting options (self-adhesive or screw) make installation fast and unobtrusive. Ideal for leak detection, environmental monitoring and facility surveillance, the FP280 provides a dependable layer of protection for commercial and residential sites.

Add the FP280 to your building security or asset monitoring strategy to catch leaks early and protect equipment and inventory — order now to upgrade your leak detection coverage.

• Rapid water detection to help prevent costly property damage and downtime
• Wireless compatibility with Honeywell 5821 and 470-12 transmitters for easy integration into security and monitoring systems
• Long-life CR123A battery delivers up to 10 years of maintenance-free operation, reducing service visits
• Flexible mounting (self-adhesive or screw) and compact white probe for discreet placement in basements, laundry rooms and mechanical spaces
• External sensing cable with built-in resistor ensures reliable contact sensing in tight or hard-to-reach areas