Honeywell 5809SS Wireless Heat and Rate-of-Rise Temperature Sensor (2 Pack)

Honeywell 5809SS Wireless Heat and Rate-of-Rise Temperature Sensor (2 Pack) 

• Replaces the 5809
• The Honeywell 5809SS is a wireless temperature sensor and rate-of-rise heat detector.
• The rate-of-rise heat detection requires a 15F degrees increase within 1 minute.
• There is a 135F degrees fixed temperature sensor designed to trigger a fire alarm on your Honeywell alarm system.
• If the fixed temperature element is triggered this detector will need to be replaced. It is a single use, non-restorable element.