BRK CO604B Carbon Monoxide Detector, 120V AC/DC Plug-In Electromechanical w/ Battery Backup

SKU: 90256
Brand: BRK Model: CO604B Condition: New

BRK CO604B Carbon Monoxide Detectors

Regular Price: $33.99
On Sale: $22.79
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The BRK 120V AC/DC Plug-In Electrochemical Carbon Monoxide Alarm with 9V Battery Backup meets many states codes for carbon monoxide alarms. This model allows for an easy installation as it can be plugged in wherever necessary. The BRK CO604B is the perfect solution when you do not want to mess with wired models or do not have the capability to hardwire in your carbon monoxide detector. Equipped with a 9V battery backup, the BRK CO604B will operate smoothly even during a power outage.


Electrochemical carbon monoxide sensor
Single button test/silence
Battery backup
Two silence features: can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
End of life signal provides audible notification that the alarm needs to be replaced
7-Year Limited Warranty


Model #: CO604B

Weight: 6.3 oz

Dimension: 5.9” H x 3.6” L x 1.5” D

Operating Voltage: 120 VAC 60 Hz with 9V backup battery

Operating Current: 0.09 amps (standby/alarm)

Temperature Range: 40°F (4°C) to 100°F (38°C)

Humidity Range: 10% to 95% relative humidity (RH)

Audio Alarm: 85dB at 10 feet

Test/ Silence: Electronically stimulates carbon monoxide condition, causing the unit to alarm, press and hold test/silence button

Alarm Reset: Automatic when carbon monoxide clears

CO Sensor: Electrochemical

Indicator Lights/Sounds: AC power is a constant red LED, DC power is an intermittent red LED, Local alarm is a red LED flashing rapidly

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