Gentex 9123 Smoke Detector w/ Sounder and Tandem








120VAC, 9VDC, sounder, heat, tandem up to 12 units
Gentex 9170012

Replacement for Discontinued Gentex Models 710, 713, 7100, 7103, 9120


The 9000/9003 Series of photoelectric smoke alarms is designed for residential and  commercial residential applications, including homes, apartments, hospitals, hotels and motels, in compliance with UL 217, UL 1730 applicable IBC/IFC Standards and NFPA 72. Available in many different models, the 9120/9123 Series is engineered to virtually eliminate nuisance alarms and deliver outstanding performance wherever reliable fire protection is required. The 9000/ 9003 Series is provided with a 9VDC alkaline battery for 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 Gentex 9000/9003 Series provides an exclusive patented three position test feature that simulates a 0.85% and 3.5% actual smoke condition in full compliance with NFPA 72 and UL Standards. Options include self-restoring 135°F integral or isolated heat thermals and Form A/Form C dry contacts for remote annunciation. Tandem interconnection of up to 12 units is available on several models; tandem interconnection of up to 6 units is available on “F” models, which activate the dry contacts from the tandem wire or a local alarm.

When testing 9123 Series, it may take up to 16 seconds longer for smoke alarm to go in or out of alarm mode.


• Available in 120VAC and 220VAC with 9VDC battery back-up
• Horn frequency 3100 Hz (nominal)
• Nominal 2.5% sensitivity
• Patented three position test switch
• Relays operate on battery back-up
• Quick-disconnect wiring harness
• 90dBA continuous piezo horn (9120/9220 Series)
• 90dBA temporal 3 evacuation piezo horn (9123/9223 Series)
• 5-to-1 signal-to-noise ratio
• Pulsing LED sensing chamber
• Fully insect screened
• Interconnect with all Gentex tandem capable smoke alarms
• Easy Wash on-site maintenance washing program
• Red LED pulses every 30 seconds, green LED for AC power on
• Mounting hardware adapts to standard junction boxes
• Dust cover to prevent contamination during installation
• Low or missing battery indicator

  • Model: Gentex 9123
  • 0 Units in Stock
  • Manufactured by: Gentex

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