For help with Smoke/Carbon Monoxide/Natural Gas Alarm, Battery Backup from USI Also known as: 90, USIMICN109, USI, MICN109, Detectors - Smoke & Carbon Monoxide, Detectors - Combination Type, Fire Equipment, Signaling, Security. After the danger is gone you will have to reset the flashing light. Very simple to do just follow the instructions that come with the units. The back connectors are usually universal. Try this first and see if it works. You should contact USI or the manufacturer of your old unit to verify that the units are compatible. Could be major appliances on the same circuit, power from a generator or solar power, light dimmer on the same circuit or mounted near fluorescent lighting. Excessively noisy power may cause damage to your alarm. This alarm cannot be operated from power derived from a square wave, modified square wave or modified sine wave inverter. Buy New or Surplus USI ELECTRIC MICN109 ( DISCONTINUED BY MANUFACTURER, DETECTOR ) parts. Radwell also repairs USI ELECTRIC MICN109.

When it comes to outfitting your home with a dependable Smoke and Fire Alarm that is often celebrated for its intuitive use of technology, USI has comprised an excellent assortment of Alarms that best incorporate the themes of performance, reliability and accessibility in a highly affordable package. Our online shop features Smoke and Fire Alarms that utilize USST (Universal Smoke Sensing Technology). The USI Bedroom 2-in-1 Smoke and Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology is an excellent choice for those looking for an alarm with a prolonged lifespan that works especially well in detecting fast and rapid flaming fires.

USI's series of Universal Smoke Sensing Alarms represent the pinnacle of forward thinking and ingenious use of technology. The USI 2-in-1 Hardwired Smoke & Fire Smart Alarm with 10 Year Sealed Battery & Universal Smoke Sensing Technology incorporates a host of sensing technologies to alert owners of both fast-flaming and slow-smoldering fires. Responding 87% faster to slow-smoldering fires than a traditionally constructed alarm, Universal Smoke Sensing Alarms are the fastest available alarms in today's market in registering and alerting owners of fast-flaming fires. This alarm is further bolstered by a battery that offers an additional decade of uninterrupted protection.

Sensing Plus Alarms

Sensing Plus Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Usi Smoke Detector Blinking Blue

Lighter

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Combo Smoke & Gas Alarms

Combo Smoke & Gas Alarms

Combo Smoke & Gas Alarms

Smoke & Fire Alarms

Micn109 Owner's Manual

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Home Safety & Security

Home Safety & Security

Home Safety & Security

Combo Smoke & Gas Alarms

Combo Smoke & Gas Alarms

Usi Electric Micn109 Blue Light Bulbs

Combo Smoke & Gas Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Smoke & Fire Alarms

Sensing Plus Alarms

Usi Electric Micn109 Blue Lights

Sensing Plus Alarms