Carbon Monoxide/Smoke Detectors

Filter

Skip to Results

Search Within Brand

Stocked Items

In Stock

Sub Brand

Dimensions

Operating Temperature

Operating Voltage

Temperature Range

Power Consumption

Sensor

Output Current

Alarm Type

Results Per Page

8162448

11 items

Sort by

Best MatchTop ProductsProduct: A to ZProduct: Z to APrice: Low to HighPrice: High to Low

Hide/Show Images

content loaded

Compare

BRK SA520B

Part #BRK SA520B 120VAC/WIRELESS PHOTOELECTRIC SENSOR SMOKE ALARM-BRIDGE UNIT W/(2)AA BATTERY BACK-UP BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Un

MFG #SA520B

64 in Stock. More available 12/08/2025 and 12/26/2025

VIEW BRANCH INVENTORY

$56.52 per EA (1) / EA

Regular Price: $104.27 per EA (1), you save $47.75 (46%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK CO5120BN

Part #BRK CO5120BN 120VAC CARBON MONOXIDE ALARM W/BATTERY BACK UP BRK® Carbon Monoxide Alarm, 120 VAC/VDC, 0.09 A, Electrochemical Sensor, 9 VDC Alkaline Battery Power Source, 85 dB at 10 ft Alert, 10 to 95% Humidity, LED Display, 40 to 100 deg

MFG #CO5120BN

26 in Stock. More available 12/29/2025

VIEW BRANCH INVENTORY

$57.46 per EA (1) / EA

Regular Price: $95.60 per EA (1), you save $38.14 (40%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK 7020BSL

Part #BRK 7020BSL LED STROBE/HORN SMOKE DETECT WITH LITHIUM BATTERY BACK-UP (1038335) *i*DISCONTINUED

MFG #7020BSL

$165.82 per EA (1) / EA

QTY

U/M

EA CA /6CS /6

ADD TO CARTADD TO LIST

Compare

BRK 9120LBL

Part #BRK 9120LBL 120V AC/DC SMOKE ALARM - 10YR LITHIUM BATTERY - LOCKED BATTERY DRAWER *i*DISCONTINUED BRK® Smoke Alarm, Wire-In, Series: 9120, Dual Ionization Sensor, Alarm: Audio, 18 Units Interconnection, 85 dB Alert, Green/Red LED Indicator

MFG #9120LBL

$30.67 per EA (1) / EA

Regular Price: $38.36 per EA (1), you save $7.69 (20%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK HD6135FB

Part #BRK HD6135FB 120VAC HEAT ALARM W/9VDC BATTERY BACKUP 135DEG F RATE-OF-RISE ALARM INTERCONNECTABLE W/SMOKE AND CO ALARMS BRK® Heat Alarm, 120 VAC/VDC Power Source, Thermistor Sensor, Alarm: Latching, Up to 18 Units of First Alert or BRK Smo

MFG #HD6135FB

36 in Stock. More available 12/28/2025

VIEW BRANCH INVENTORY

$38.96 per EA (1) / EA

Regular Price: $66.21 per EA (1), you save $27.25 (41%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK CO250B

Part #BRK CO250B 9VDC CARBON MONOXIDE ALARMS ELECTROCHEMICAL SENSOR WHITE BRK® Carbon Monoxide Alarm, Electrochemical Sensor, 9 VDC Battery Power Source, 85 dB at 10 ft Alert, 10 to 95% Humidity, LED Display, 40 to 100 deg F Operating, White, 4.

MFG #CO250B

50 in Stock. More available 12/28/2025

VIEW BRANCH INVENTORY

$32.10 per EA (1) / EA

Regular Price: $218.19 per EA (1), you save $186.09 (85%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK 7010B

Part #BRK 7010B 120VAC SMOKE ALARMS W/BATTERY BACKUP INTERCONNECTABLE UP TO 11 ALARMS WHITE *i*DISCONTINUED BRK® Smoke Alarm, Hardwired Wire-In, 120 VAC, 60 Hz with 9 VDC Battery Backup Power Source, Photoelectric Sensor, Alarm: Audible Alarm, U

MFG #7010B

$36.32 per EA (1) / EA

Regular Price: $48.63 per EA (1), you save $12.31 (25%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK FG250B

Part #BRK FG250B 9VDC BATTERY OPERATED SMOKE ALARM ION DC **USE 1046832 REPLACEMENT** BRK® Smoke Alarm, Battery Operated, Series: FG250, 9 VDC Carbon Zinc Battery Power Source, Dual Ionization Sensor, Alarm: Audible Alarm, 85 dB Alert, Red LED V

MFG #FG250B

In Stock

VIEW BRANCH INVENTORY

$10.87 per EA (1) / EA

Regular Price: $14.15 per EA (1), you save $3.28 (23%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK SCO500B

Part #BRK SCO500B WIRELESS PHOTOELECTRIC BATTERY COMBINATION SMOKE & CO ALARM VOICE ALARM W/PROGRAMMABLE LOCATION UP TO 11 LOCATIONS **REPLACEMENT** USE 1046815 BRK® Smoke and Carbon Monoxide Alarm, Combination, (2) 1.5 VDC AA Batteries Power So

MFG #SCO500B

CALL FOR PRICE

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK CO605B

Part #BRK CO605B 120VAC PLUG-IN CARBON MONOXIDE ALARMS W/(1)9V BATTERY BACK-UP ELECTROCHEMICAL SENSOR First Alert® Carbon Monoxide Alarm, Plug-In, 120 VAC, Electrochemical Sensor, Alarm: Audio, 85 dB Alert, LED Indicator Visual Alert, 10 to 90 %

MFG #CO605B

1 in Stock. More available 12/29/2025

VIEW BRANCH INVENTORY

$46.96 per EA (1) / EA

Regular Price: $79.78 per EA (1), you save $32.82 (41%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK SA511B

Part #BRK SA511B 1.5VDC WIRELESS SMOKE ALARM (2)AA BATTERIES PHOTOELECTRIC SENSOR INTERCONNECT UP TO 12 ALARMS *i*DISCONTINUED BRK® Smoke Alarm, 3 VAC with 1.5 VDC AA Battery Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Uni

MFG #SA511B

In Stock

VIEW BRANCH INVENTORY

$51.82 per EA (1) / EA

Regular Price: $94.57 per EA (1), you save $42.75 (45%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK SA520B

Part #BRK SA520B 120VAC/WIRELESS PHOTOELECTRIC SENSOR SMOKE ALARM-BRIDGE UNIT W/(2)AA BATTERY BACK-UP BRK® Smoke Alarm, Hardwired, 120 VAC, 60 Hz with (2) 1.5 VDC AA Batteries Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Un

MFG #SA520B

64 in Stock. More available 12/08/2025 and 12/26/2025

VIEW BRANCH INVENTORY

$56.52 per EA (1) / EA

Regular Price: $104.27 per EA (1), you save $47.75 (46%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK CO5120BN

Part #BRK CO5120BN 120VAC CARBON MONOXIDE ALARM W/BATTERY BACK UP BRK® Carbon Monoxide Alarm, 120 VAC/VDC, 0.09 A, Electrochemical Sensor, 9 VDC Alkaline Battery Power Source, 85 dB at 10 ft Alert, 10 to 95% Humidity, LED Display, 40 to 100 deg

MFG #CO5120BN

26 in Stock. More available 12/29/2025

VIEW BRANCH INVENTORY

$57.46 per EA (1) / EA

Regular Price: $95.60 per EA (1), you save $38.14 (40%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK 7020BSL

Part #BRK 7020BSL LED STROBE/HORN SMOKE DETECT WITH LITHIUM BATTERY BACK-UP (1038335) *i*DISCONTINUED

MFG #7020BSL

$165.82 per EA (1) / EA

QTY

U/M

EA CA /6CS /6

ADD TO CARTADD TO LIST

Compare

BRK 9120LBL

Part #BRK 9120LBL 120V AC/DC SMOKE ALARM - 10YR LITHIUM BATTERY - LOCKED BATTERY DRAWER *i*DISCONTINUED BRK® Smoke Alarm, Wire-In, Series: 9120, Dual Ionization Sensor, Alarm: Audio, 18 Units Interconnection, 85 dB Alert, Green/Red LED Indicator

MFG #9120LBL

$30.67 per EA (1) / EA

Regular Price: $38.36 per EA (1), you save $7.69 (20%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK HD6135FB

Part #BRK HD6135FB 120VAC HEAT ALARM W/9VDC BATTERY BACKUP 135DEG F RATE-OF-RISE ALARM INTERCONNECTABLE W/SMOKE AND CO ALARMS BRK® Heat Alarm, 120 VAC/VDC Power Source, Thermistor Sensor, Alarm: Latching, Up to 18 Units of First Alert or BRK Smo

MFG #HD6135FB

36 in Stock. More available 12/28/2025

VIEW BRANCH INVENTORY

$38.96 per EA (1) / EA

Regular Price: $66.21 per EA (1), you save $27.25 (41%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK CO250B

Part #BRK CO250B 9VDC CARBON MONOXIDE ALARMS ELECTROCHEMICAL SENSOR WHITE BRK® Carbon Monoxide Alarm, Electrochemical Sensor, 9 VDC Battery Power Source, 85 dB at 10 ft Alert, 10 to 95% Humidity, LED Display, 40 to 100 deg F Operating, White, 4.

MFG #CO250B

50 in Stock. More available 12/28/2025

VIEW BRANCH INVENTORY

$32.10 per EA (1) / EA

Regular Price: $218.19 per EA (1), you save $186.09 (85%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK 7010B

Part #BRK 7010B 120VAC SMOKE ALARMS W/BATTERY BACKUP INTERCONNECTABLE UP TO 11 ALARMS WHITE *i*DISCONTINUED BRK® Smoke Alarm, Hardwired Wire-In, 120 VAC, 60 Hz with 9 VDC Battery Backup Power Source, Photoelectric Sensor, Alarm: Audible Alarm, U

MFG #7010B

$36.32 per EA (1) / EA

Regular Price: $48.63 per EA (1), you save $12.31 (25%)

QTY

U/M

EA CA /12CS /12

ADD TO CARTADD TO LIST

Compare

BRK FG250B

Part #BRK FG250B 9VDC BATTERY OPERATED SMOKE ALARM ION DC **USE 1046832 REPLACEMENT** BRK® Smoke Alarm, Battery Operated, Series: FG250, 9 VDC Carbon Zinc Battery Power Source, Dual Ionization Sensor, Alarm: Audible Alarm, 85 dB Alert, Red LED V

MFG #FG250B

In Stock

VIEW BRANCH INVENTORY

$10.87 per EA (1) / EA

Regular Price: $14.15 per EA (1), you save $3.28 (23%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK SCO500B

Part #BRK SCO500B WIRELESS PHOTOELECTRIC BATTERY COMBINATION SMOKE & CO ALARM VOICE ALARM W/PROGRAMMABLE LOCATION UP TO 11 LOCATIONS **REPLACEMENT** USE 1046815 BRK® Smoke and Carbon Monoxide Alarm, Combination, (2) 1.5 VDC AA Batteries Power So

MFG #SCO500B

CALL FOR PRICE

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

BRK CO605B

Part #BRK CO605B 120VAC PLUG-IN CARBON MONOXIDE ALARMS W/(1)9V BATTERY BACK-UP ELECTROCHEMICAL SENSOR First Alert® Carbon Monoxide Alarm, Plug-In, 120 VAC, Electrochemical Sensor, Alarm: Audio, 85 dB Alert, LED Indicator Visual Alert, 10 to 90 %

MFG #CO605B

1 in Stock. More available 12/29/2025

VIEW BRANCH INVENTORY

$46.96 per EA (1) / EA

Regular Price: $79.78 per EA (1), you save $32.82 (41%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

BRK SA511B

Part #BRK SA511B 1.5VDC WIRELESS SMOKE ALARM (2)AA BATTERIES PHOTOELECTRIC SENSOR INTERCONNECT UP TO 12 ALARMS *i*DISCONTINUED BRK® Smoke Alarm, 3 VAC with 1.5 VDC AA Battery Power Source, Photoelectric Sensor, Alarm: Audible Alarm, Up to 18 Uni

MFG #SA511B

In Stock

VIEW BRANCH INVENTORY

$51.82 per EA (1) / EA

Regular Price: $94.57 per EA (1), you save $42.75 (45%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Results Per Page

8162448