Common Questions About USI Hardwired Carbon Monoxide Alarms

Where should I install carbon monoxide alarms?

Carbon monoxide alarms should be placed inside of every bedroom and outside of areas where people usually sleep. It should be noted that many states are now requiring the installation of a carbon monoxide alarm inside of each bedroom. Carbon monoxide alarms should also be installed on every level in multiple story dwellings. If you have a basement, install a carbon monoxide alarm at the top of the basement stairs, and in each separate sleeping area. Carbon monoxide alarms should also be placed at least 15-20 ft. away from furnace or fuel burning heat sources.

What areas should I avoid installing a carbon monoxide alarm?

Do not install carbon monoxide alarms in garages, kitchens, furnace rooms, or in any dusty, dirty, humid, or greasy areas. Do not install co detectors in direct sunlight, or areas subjected to temperature extremes. These areas include crawl spaces, unfinished attics, un-insulated or poorly insulated ceilings, and porches. Carbon monoxide alarms should not be installed in outlets covered by curtains, heavy furniture or other obstructions. Do not install in turbulent air near ceiling fans, heat vents, air conditioners, fresh air returns, or open windows. Blowing air may prevent carbon monoxide from reaching the CO sensors.

What are some common sources of carbon monoxide (CO)?

Carbon Monoxide is a colorless, odorless, tasteless gas that's produced during incomplete combustion of any fuel like natural gas, charcoal, gasoline, kerosene, wood, gas, oil or coal. Common sources include:

  • A vehicle running in an attached garage
  • Furnace
  • Clothes dryer
  • Range
  • Oven
  • Stove
  • Fireplace
  • Water heater
  • Space heater
  • Portable generator
  • Charcoal grill

Will carbon monoxide alarms detect explosive gas leaks?

No, not unless it is specifically marked as an explosive gas alarm. USI CO Alarms are single function and react to carbon monoxide only. To detect explosive gas, you’ll need an explosive gas alarm. The USI Store features combination carbon monoxide and natural gas alarms.

Why does my CO alarm "chirp" approximately once every minute?

The CO alarm chirps to indicate a "low battery" condition, meaning the battery needs to be replaced. Battery powered CO alarms will chirp a minimum of 30 days before the battery completely loses power.

AC powered CO alarms with battery backup will chirp indefinitely (assuming AC power is present) if battery power is low (or battery is removed) until a fresh battery is installed. Approved replacement batteries are listed on the back of each CO alarm.

What is Ten Year Permanent Power?

USI Ten Year Sealed Battery Alarms include a combination of features exclusive to the USI brand. All USI Ten Year Sealed Battery Detectors include a 10 Year Dual Warranty that's applicable to both the alarm and battery. Overall peace of mind is bolstered to an even greater extent as all USI branded Ten Year Sealed Battery Alarms begin their protection cycle upon activation. Protection upon activation removes the guessing game usually associated with an alarm's longevity and performance. USI has also elected to utilize lithium free 10 year batteries that encourage an eco-friendly approach to the disposal process. Unlike alkaline and lithium powered alarms, USI 10 Year Sealed Battery Detectors can safely be disposed in an eco-conscious manner.

Why should I go with a USI Hardwired CO Alarm?

USI Hardwired Carbon Monoxide Alarms are available as combination detectors that offer protection against multiple threats. With the correct setup, you’ll be able to safeguard your home or place of business from the many dangers associated with undetected co, natural gasses and smoke. The release of Universal Security Sensing Plus Alarms ensures that you’ll have access to a carbon monoxide alarm that also adheres to the newly placed UL217 8th Edition requirements for smoke and fire detection. This elevates the Universal Sensing Plus Hardwired Combination Alarm as an excellent investment as it surpasses all 8th edition codes while also offering co detection. All USI Hardwired CO Detectors offer superior false alarm resistance and come equipped with a battery backup for lasting protection.

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