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Gentex Hard Wired Smoke & Carbon Monoxide Alarm with Backup

Gentex Hard Wired Smoke & Carbon Monoxide Alarm with Backup
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The GN-503 (120VAC/ 9VDC) Series of combination photoelectric smoke and electrochemical sensor carbon monoxide alarms are for use as an evacuation device in all dwelling units, including but not limited to homes, apartments, hospitals, hotels, motels and other commercial occupancies. The GN-503 Series is listed in compliance with UL 217 , UL 2034, for installation per NFPA 720 and NFPA 72. Available in two models, the GN-503 Series is engineered to virtually eliminate nuisance alarms and deliver outstanding performance wherever reliable smoke and CO protection is required.The GN-503 Series is provided with a 9VDC alkaline battery for electrical back-up in the event building power is lost. The battery impedance is verified and the alarm provides a low or missing battery warning. The battery drawer provides easy replacement without removing the unit from the wall or ceiling.

Also known as

  • CO & Smoke Combination Alarms: Gentex Smoke Detectors Hardwired Interconnected P
  • Gentex Corp. SMOKE/ CO ALRM W/ RELAY 120 VAC/ - GN-GN503F
  • Gentex GN-503F Smoke & Carbon Monoxide Alarm, 120V Hardwired Interconnectable Ph
  • 120VAC with 9VDC battery back-up
  • Temporal 3 evacuation piezo horn with a 3100Hz (nominal) horn frequency for smoke annunciation
  • Temporal 4 evacuation piezo horn with a 3100 Hz (nominal) horn frequency for CO annunciation
  • Form A/form C relay contacts
  • Relay contacts operate when on battery back-up
  • Push button self test feature
  • DualinkFeature: tandem with all Gentex tandem capable alarms
  • Quick disconnect wiring harness
  • Dust cover to prevent particle contamination during installation
  • Low or missing battery indicator
  • End of life signal indicates CO sensor has reached depletion state and time to replace
  • 1 year warranty from date of purchase
  • 85dBA alarm horn at 10 feet.
  • 120VAC with 9V battery backup.
  • Auxiliary Form A/Form C relay contacts.
  • Relay contacts operate on battery backup.
  • Push button functional test feature.
  • Non-latching (self restoring) alarm.
  • Meets state, federal, and ADA requirements.
  • Connect up to a maximum of 12 Gentex GN-503 combination smoke/CO alarms.
  • 9V battery backup; CSFM listed.
  • Item Weight - 2 lbs.