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Alarm Type	Carbon Monoxide & Natural Gaz
Power Source	Hardwired
Interconnects	Yes
Battery Backup	9 Volt Battery Backup Included
Warranty	7 Year Limited

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Product Description

USI MCN108: Dual Carbon Monoxide and Natural Gas Detection

The USI MCN108 is a hardwired combination alarm designed to protect against both carbon monoxide (CO) and natural gas threats. Its advanced microprocessor ensures resistance to nuisance alarms while adjusting to changing environmental conditions. Equipped with a 9V battery backup, single-sensor technology, and intuitive installation features, the MCN108 provides dependable safety for homes and businesses. Compliant with rigorous industry standards, it offers superior protection and peace of mind.

Top Features:

Dual-Sensing Technology: Detects both CO and natural gas using a single microprocessor sensor.
Quick Find® Alarm Origin Identification: Easily determines the first alarm triggered in interconnected systems.
Self-Diagnostics and Sensitivity Calibration: Continuously checks alarm functionality and adapts sensitivity to temperature and humidity.
Tamper-Resistant Design: Includes features to prevent alarm and battery removal.
Easy Installation: Comes with a universal mounting bracket, quick-connect wiring harness, and front-loading battery drawer for convenience.

Category	Details
Product Name	USI MCN108
Detection Capabilities	Carbon Monoxide (CO) and Natural Gas
Sensor Type	Solid state, tin oxide
Primary Power	120 Volt AC, 60 Hz
Battery Backup	9 Volt Energizer alkaline battery
Audible Alarm Volume	85 dB at 10 ft
LED Indicators	Power Indicator: Green LED CO Alarm: Red LED Gas Alarm: Red LED System Alert: Amber LED
Dimensions	5.65" (Diameter) x 1.75" (Height)
Temperature Range	32°F (0°C) to 100°F (38°C)
Humidity Range	10% to 95% relative humidity
Regulatory Compliance	CSFM, NFPA, HUD, FHA, UL Certified
Warranty	5-year limited
Installation Features	Universal mounting bracket Quick-connect wiring harness with pre-stripped 8" pigtails Front-load battery drawer for easy access Dust cover for protection during construction
Additional Features	Quick Find® alarm origin identification Self-diagnostics with end-of-life warning Auto sensitivity calibration Tamper-resistant locking mechanisms

The USI MCN108 provides dual protection, durability, easy installation, and innovative features for a safer living environment while meeting all essential safety and regulatory standards.

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In The Box

1 Smoke & Carbon Monoxide Alarm
1 Mounting Bracket
1 Dust Cover
9 Volt Battery Backup Included
1 English Instructions Manual

Info & Guides

User Manual	Download
Specification Sheet	Download

USI MCN108 Hardwired CO & Natural Gas Alarm with Battery Backup