Wireless Temperature Sensors and Flood Detectors are Ideally suited for applications including bathrooms, laundry rooms and basements, the 5821 helps protect against temperature fluctuations and flood conditions.

The Resideo Honeywell FP280 Flood Probe Sensor intended for use with Honeywell 5821 and 470-12 wireless transmitter sensors. When the FP280 senses water it sends an alarm to the directly wired transmitter, which then sends the alarm initiating signal wirelessly to the Honeywell control panel.