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USI Carbon Monoxide & Natural Gas Detector, 120V Hardwired w/ Battery

USI MCN108
SKU USI-MCN108
USI Carbon Monoxide & Natural Gas Detector, 120V Hardwired w/ Battery

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USI MCN108 Description

The USI MCN108 is a 120V hardwired carbon monoxide and natural gas detector with a 9-volt battery backup. This CO and natural gas detector uses dual sensing and can link with up to 24 compatible devices. It also includes LED status lights, a test and reset button, tamper-resistant locks, and a 7-year warranty.

Built for homes, apartments, and mobile homes, the MCN108 helps protect against carbon monoxide and methane gas with auto-calibration and end-of-life alerts.

Features:

  • Dual Sensing Alarm.
  • Hardwiring Required.
  • Auto Sensitivity Calibration.
  • Replacement or Retrofit.
  • Quick Activation Pull Tab.
  • Universal Mounting Bracket.
  • Quick Connect Wiring Harness.
  • Quick-find alarm origin feature.
  • End-of-life warning feature.
  • Front-load battery drawer.
  • 9-volt battery backup.
  • Single silence/test button.
  • Full-size plastic dust cover.
  • Two Tamper Resistant Locks.
  • 7-year Warranty.
  • Direct Replacement for USI-7390.
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$54.25Each
In Stock
Ships by 11/16/2026

Product Specifications

Part NumberMCN108
10-Year BatteryNo
Alarm Sensing TechnologyConventional
Alarm Sensor TypeCarbon Monoxide (CO), Natural Gas
CertificateETL Certified
Country of OriginChina
Power TypeBattery, Hardwired
Sealed BatteryNo
Warranty7 Yr
ASINB00AO4AKX4
Weight0.72-lb
UPC042741001083
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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