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BRK First Alert Ionization Sensor Smoke Alarm

The Most Important Smoke Alarm for Your Kitchen Area

BRK-9120LB

What's special about these alarms?

Ionization sensor is perfect for fast moving flames found often in your kitchen due to grease or ignited wastebaskets.
Easy to install and maintain, quality-engineered units so that you receive years of virtually maintenance-free protection.
Includes AC, DC, and AC/DC models with special features like silence buttons and battery compartment locks.
Meet UL 217 standard which requires repeating horn pattern of 3 beeps, pause, 3 beeps.
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BRK Brands / First Alert Ionization detectors consist of two plates separated by about a centimeter. The battery applies a voltage to the plates, charging one plate positive and the other plate negative. When smoke enters the ionization chamber, the smoke particles attach to the ions and neutralize them, so they do not reach the plate. The drop in current between the plates triggers the alarm.

Part #	Description	Price
BRK-9120LB	BRK First Alert Ionization Smoke Alarm 120 V with Lithium Back Up	Qty:
BRK-FG250B	BRK First Alert Ionization Smoke Alarm 9V	Qty:
BRK-SA320CN	Double Sensor Battery-Powered Smoke and Fire Alarm	Qty:

BRK-9120LB Side load battery installation 6 position mounting bracket mounts to any electrical box up to 4" octagonal Optional locking mechanism deters theft of battery or smoke alarm Suitable for use in elevations higher than 5000ft in normal enviromental conditions 10 year limited manufacturer warranty
BRK-FG250B Battery power indicator and warning "chirp" when battery low Cover will not close if battery is missing for added protection Hinged cover for effortless battery installation and replacement Locking mechanism provides tamper resistant security Comes with 9V battery, mounting anchors, screws, and manual Test/silence button allows you to quickly and easily ensure functioning properly as well as silence your alarm with necessary Suitable for use in elevations higher than 5000ft in normal enviromental conditions 10 year limited manufacturer warranty
BRK-SA340CN Tamper proof design is ideal for rental properties This is the only tamper proof alarm proven to last 10 years Lithium battery CANNOT be removed (SA340CN) or CAN be removed (SA305B) and lasts the life of the unit, 10 years Mute button allows you to silence the detector when there is a false alarm Suitable for use in elevations higher than 5000ft in normal enviromental conditions 10 year limited manufacturer warranty

	BRK-9120B	BRK-9120LB	BRK-FG250B	BRK-SA340CN
Operating Voltage	120V AC with 9V battery back up	120V AC with 9V lithium battery back up	9V battery	9V lithium battery
Operating Current	0.045 amps (standby/alarm)	0.045 amps (standby/alarm)	n/a	n/a
Temperature Range	40° to 100° F	40° to 100° F	40° to 100° F	40° to 100° F
Humidity Range	10% to 90% relative humidity (RH)	10% to 90% relative humidity (RH)	10% to 90% relative humidity (RH)	10% to 90% relative humidity (RH)
Audio Alarm	85 dB at 10 feet	85 dB at 10 feet	85 dB at 10 feet	85 dB at 10 feet
Sensor	Ionization	Ionization	Ionization	Ionization
Dimensions	5.59" diameter x 1.97" height	5.59" diameter x 1.97" height	4.25" diameter x 1.6" height	4.34" diameter x 1.87" height
Weight	6.5 oz	6.5 oz	0.5 lb	0.5 lb
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