Gentex GN-503FF (918-0021-002) Combination Photoelectric Smoke and Carbon Monoxide Alarm, 2 Sets Form A/Form C Relay Contacts, 120VAC with 9VDC Battery Backup.
The GN-503 Series combination photoelectric smoke/electrochemical carbon monoxide alarms are single/multiple station designed as an evacuation device for use in all dwelling units, including but not limited to homes, apartments, hospitals, nursing homes, hotels, and motels, in compliance with ANSI/UL 217, ANSI/UL 2034, applicable IBC/IFC/IRC Standards and NFPA 72 and NFPA 720.
Features
- GN-503 Series is 120VAC with 9V battery back-up.
- Low or missing battery indicator.
- 9V battery shipped with product.
- Photoelectric smoke sensor.
- Electrochemical CO sensor.
- Push button self-test feature.
- Push button functional test.
- Horn frequency 3100Hz.
- Temporal 3 sounding pattern for smoke annunciation and temporal 4 sounding pattern for CO annunciation.
- GN-503F features one (1) set of Form A/Form C contacts that activate for smoke and/or CO events.