Designed for single station tandem and specialty applications in homes commercial residential occupancies apartments hospitals and hotels in compliance with UL 217 UL1730 and NFPA 101 (7-6.2.9) occupancies. Exclusive patented 3-position test switch simulates .85% and 3.4% smoke conditions per NFPA 72 CUL 217 and UL 1730 standards.
The Isolated Thermal Sensor turns on the horn sounder when smoke is detected and will send a signal to a remote device when heat is detected (the horn will not be set off).