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First Alert Hardwired Smoke Alarm with Battery Backup - 9120B Ionization Wired In Smoke Detector
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First Alert Hardwired Combination Smoke/Carbon Monoxide Alarm with Battery Backup - SC9120B Combo Wired In Smoke & CO Detector
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First Alert Basic Battery Operated Carbon Monoxide Alarm - CO400 (1039718) Battery Operated Carbon Monoxide Detector
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First Alert BRK Brands Hardwired 120-Volt AC/DC Heat Alarm with Battery Backup - HD6135FB 135 degrees Fahrenheit warning and rate-of-rise sensing
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First Alert Smoke Alarm with Smart Sensing Technology and Nuisance Resistance - SA320CN (1039828) Dual Sensing Battery Operated Smoke Detector
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First Alert Slim Design Battery-Operated Photoelectric Smoke & Fire Alarm - PR700 (1039772) Photoelectric Battery Operated Smoke Detector
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First Alert Basic Plug-In Carbon Monoxide Alarm - CO600 (1039730) Plug-In Carbon Monoxide Detector
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First Alert BRK Brands Hardwired Ionization Smoke Alarm with 10-Year Battery Backup - 9120LBL 10 Year Battery Smoke Detector
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First Alert 10-Year Sealed Battery Combo Photoelectric Smoke & Carbon Monoxide Alarm with Slim Design - PRC710 (1039868) Combo 10 Year Battery Smoke & CO Detector
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First Alert 10-Year Sealed Battery Photoelectric Smoke Alarm with Slim Design - PR710 (1039852) Photoelectric 10 Year Battery Smoke Detector
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First Alert Basic Battery Operated Smoke Alarm - SA303CN3 (1039796) Ionization Battery Operated Smoke Detector
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First Alert Dual Sensor Photoelectric/Ionization Smoke and Fire Alarm with 10-Year Sealed Battery - SA3210 (1039842) Dual Sensing 10 Year Battery Operated Smoke Detector
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First Alert Hardwired Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup - SC7010B Combo Wired In Smoke & CO Battery Detector
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First Alert Compact 10 Year Combo Photoelectric Smoke & Carbon Monoxide Alarm with Voice & Location Feature - PRC710V (1039871) Combo 10 year Battery Smoke & CO Voice Detector
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First Alert Hardwired Hearing Impaired LED Strobe Light - SLED177 (1038510) Interconnects with First Alert smoke, heat and CO alarms
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First Alert Hardwired Photoelectric Smoke Alarm with Battery Backup - 7010B Photoelectric Wired In Smoke Detector
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First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL Combo Wired In Smoke & CO Battery Detector
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First Alert Heavy Duty Bracket for 10-Pound Fire Extinguisher - BRACKET10 Designed for use with large 10-pound fire extinguishers
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First Alert Wireless Interconnect Battery Operated Smoke Alarm With Voice Location - SA511B State of the art wireless talking smoke alarm
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First Alert Wireless Interconnect Talking Battery Operated Smoke & Carbon Monoxide Alarm - SCO501CN-3ST (1039839) Combo Battery Smoke & CO Voice Detector
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First Alert Wireless Interconnect Hardwired Smoke Alarm - SA521CN-3ST (1039830) Photoelectric Wired In Interconnected Smoke Detector
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First Alert Combination Explosive Gas and Carbon Monoxide Alarm with Backlit Digital Display - GCO1CN (1039760) Plug-In Carbon Monoxide & Gas Detector
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First Alert Hardwired LED Strobe Light Smoke Alarm with 10-Year Sealed Battery - 7020BSL (1038335) Photoelectric Smoke Alarm & Strobe Light
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Radon Test Kit, First Alert - RD1 Safe and easy to use, takes only minutes
View all - Other Home Safety Products Add to Cart! 1 2 3 4 >> View All Items How long does First Alert SC9120B last?Product: SC9120B. Why Replace Smoke Alarms Every 10 Years? Learn why the NFPA recommends that smoke alarms be replaced every 10 years (at least). Learn how to tell if the old alarms in your home are still protecting you.
What is difference between 9120b and SC9120B?A: The sc9120b is for smoke and carbon monoxide detection the 9120b is just for smoke detection.
How do I reset my First Alert SC9120B?Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge left inside.
Why is my First Alert carbon monoxide detector beeping?1 Beep Every Minute: Low Battery. It is time to replace the batteries in your carbon monoxide detector. 5 Beeps Every Minute: End of Life. This type of chirp indicates it is time to replace your carbon monoxide alarm.
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