The FW562 is a Photoelectric duct smoke detector

designed to provide early detection of smoke and/or the

presence of combustion products in ventilation systems.

The FW562C detector operates at temperatures from 0ºC to 49ºC

(32ºF to 120ºF), can stand relative humidity levels of 0 to 93%

and support 300 to 4000 ft/minute of air velocity.

FW562-A/B/C are UL-listed devices according to UL 268A, and FW562C-A/B/C are ULC listed according to ULC-S529 for fire protection systems.