Gentex 9123H Smoke Detector

The Gentex 9123H is a 120VAC smoke alarm featuring an integrated temporal 3 evacuation horn and a 9V battery backup for continued operation during power outages. The H model also includes an isolated, self-restoring 135°F (57°C) heat sensor, making it suitable for applications requiring both smoke and heat detection.

Designed for single-station or multiple-station operation, the 9123H supports tandem interconnection with compatible Gentex smoke alarms and provides dependable life safety protection for residential and commercial residential occupancies. It is engineered to reduce nuisance alarms while delivering reliable fire detection performance.

Product Functions

• Smoke detection
• Integrated 90 dBA evacuation horn
• 135°F isolated heat detection
• AC-powered operation with battery backup
• Single or multiple station operation
• Tandem interconnect capability
• Low battery monitoring
• Push-button functional testing

Electrical & System Information

The Gentex 9123H operates from 120 VAC, 60 Hz with a 9V alkaline battery providing backup power during AC power loss. The alarm features a quick-disconnect wiring harness for simplified installation and can be interconnected with compatible Gentex tandem-capable smoke alarms to activate all connected units when one alarm detects smoke.

Features

• 120VAC powered smoke alarm
• Integrated 90 dBA temporal 3 horn
• Isolated 135°F heat sensor
• 9V battery backup
• Patented three-position test switch
• Red alarm LED and green AC power LED
• Quick-disconnect wiring harness
• Tandem interconnect capability
• Easy Wash® maintenance program
• Fully insect-screened sensing chamber
• Dust cover included

Mounting & Design

The 9123H mounts to standard electrical junction boxes using the supplied mounting hardware. Its round, low-profile housing includes a quick-disconnect wiring harness for easier installation, maintenance, and replacement without rewiring the electrical box.

Protection & Applications

Suitable for:

• Apartments
• Hotels
• Motels
• Dormitories
• Assisted Living Facilities
• Hospitals
• Residential Buildings
• Commercial Residential Occupancies

Compatibility

Compatible with:

• Gentex 9123 Series Smoke Alarms
• Gentex 9223 Series Smoke Alarms
• Compatible Gentex Tandem Interconnect Systems
• Standard 120VAC Residential Electrical Circuits

Always verify compatibility with existing interconnected smoke alarms and applicable electrical and life safety codes before installation.

Technical Specifications

Manufacturer: Gentex

Model: 9123H

Product Type: 120VAC Smoke Alarm with Integrated Horn

Smoke Detection Method: Smoke sensing

Heat Detection: Isolated 135°F (57°C) Self-Restoring Heat Sensor

Primary Power: 120 VAC, 60 Hz

Backup Power: 9V Alkaline Battery

Operating Current: 0.045 A

Alarm Current (Relay Models): 0.070 A

Horn Output: 90 dBA at 10 ft

Horn Frequency: 3100 Hz Nominal

Smoke Sensitivity: Nominal 2.5% Obscuration

Operating Temperature: 40°F to 100°F (4°C to 38°C)

Status Indicators: Green AC Power LED, Red Alarm LED

Interconnect: Tandem Compatible

Dimensions: 6.5 in. Diameter × 2.625 in. Deep

Mounting: Standard Electrical Junction Box

Application: Residential and Commercial Residential Life Safety

Listings: ANSI/UL 217, ANSI/UL 1730, NFPA 72 compliant applications (model dependent).

Applications

The Gentex 9123H is designed for residential and commercial residential life safety applications requiring dependable smoke detection with integrated audible notification and heat detection. Typical installations include apartments, hotels, motels, dormitories, healthcare facilities, assisted living residences, and other occupancies using interconnected 120VAC smoke alarm systems.

9123H Datasheet