Hardwired Smoke Alarms

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First Alert Hardwired Smoke Alarm with Battery Backup - 9120B
Ionization Wired In Smoke Detector
Price: $13.21 Save: $6.74
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (710)

First Alert Hardwired Combination Smoke/Carbon Monoxide Alarm with Battery Backup - SC9120B
Combo Wired In Smoke & CO Detector
Price: $56.05 Save: $13.90
Availability: In Stock Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5 (317)

First Alert BRK Brands Hardwired 120-Volt AC/DC Heat Alarm with Battery Backup - HD6135FB
135 degrees Fahrenheit warning and rate-of-rise sensing
Price: $29.53 Save: $10.42
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (29)

First Alert Wireless Interconnect Hardwired Smoke Alarm - SA521CN-3ST (1039830)
Photoelectric Wired In Interconnected Smoke Detector
Price: $71.35 Save: $18.60
Availability: In Stock Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5 (48)

First Alert BRK Brands Hardwired Ionization Smoke Alarm with 10-Year Battery Backup - 9120LBL
10 Year Battery Smoke Detector
Price: $29.53 Save: $10.42
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (75)

First Alert Hardwired Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup - SC7010B
Combo Wired In Smoke & CO Battery Detector
Price: $66.25 Save: $23.70
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (25)

First Alert Hardwired Ionization Smoke Alarm with Adapter Plugs - SA9120BPCN (1039809)
Ionization Wired In Smoke Detector
Price: $19.33 Save: $10.62
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (23)

First Alert Hardwired Smoke & CO Alarm with LED Strobe Light and 10-Year Sealed Battery - 7030BSL (1038870)
LED Combination Alarm
Price: $170.29 Save: $49.66
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (1)

First Alert Smart Onelink Smoke + CO Alarm - Hardwired (1042135)
Onelink Smart Hardwired Smoke + Carbon Monoxide Alarm w/ Ten Year Sealed Battery
Price: $133.57 Save: $36.38
Availability: In Stock Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5Rating: 4.8/5 (13)

120VAC Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup - 3120B
Dual Sensing Wired In Smoke Detector
Price: $52.99 Save: $16.96
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (27)

First Alert BRK Brands Hardwired Combo Smoke & Carbon Monoxide Alarm with 10-Year Battery Backup - SC9120LBL
Combo Wired In Smoke & CO Battery Detector
Price: $72.37 Save: $17.58
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (30)

First Alert Hardwired Photoelectric Smoke Alarm with Battery Backup - 7010B
Photoelectric Wired In Smoke Detector
Price: $30.55 Save: $9.40
Availability: In Stock Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5Rating: 4.9/5 (52)

First Alert Hardwired Photoelectric Smoke and Carbon Monoxide Alarm with Voice & Location Feature - SC7010BV
Combo Wired In Smoke & CO Battery Voice Detector
Price: $73.39 Save: $16.56
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (48)

First Alert BRK/Kidde Smoke Alarm Adapter Plug (Pack of 12) - ADK-12
Easily connect to BRK and Kidde alarms without rewiring
Price: $29.53 Save: $10.42
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (13)

Onelink Safe & Sound Smart Smoke + Carbon Monoxide Alarm and Speaker with Amazon Alexa - 1039102
Protect your home and family while enjoying a hands-free voice-controlled speaker with a great audio experience at the same time
Price: $261.95 Save: $68.00
Availability: In Stock Rating: 4.5/5Rating: 4.5/5Rating: 4.5/5Rating: 4.5/5Rating: 4.5/5 (6)

First Alert BRK/Firex Smoke Alarm Adapter Plug (Pack of 12) - ADF-12
Easily connect to BRK and Firex alarms without rewiring
Price: $29.53 Save: $10.42
Availability: In Stock Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5Rating: 5/5 (2)

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Common Questions About First Alert Hardwired Smoke Alarms

Where should I be installing hardwired smoke alarms?

You should be placing smoke alarms at least 20 ft. from appliances such as furnaces and ovens as these produce combustion particles. Smoke detectors should also be at least 10 ft. from high humidity areas such as bathrooms (with showers) and laundry rooms. Heating and AC vents are also capable of disrupting smoke alarms, so you’ll generally want to place them at least 3 ft. away from them. As for actual locations, it’s generally recommended that smoke alarms be installed inside each bedroom (or area where people usually sleep), just outside of bedrooms and on every level of a home. This would include basements.

Why should I replace my smoke alarms every 10 years?

Every smoke alarm in your home has an expiration date. It’s something that all homeowners should be aware of as smoke and fire protection is only available with an active alarm. If you’re unsure of the time remaining on your smoke alarm, there’s an easy way to check its viability. Most smoke detectors will feature a manufacturer date printed on the back of the alarm. If it’s more then 10 years old, it’s time to replace the smoke detector. The same applies to carbon monoxide alarms. It should be noted that most co alarms expire after 7 years.

Why does my smoke alarm randomly chirp?

There can be a few factors at play here. A low battery can be responsible as the smoke detector is alerting you that it’s time for a replacement. It can also be caused by batteries being placed incorrectly in the alarm. Another common reason is when the battery drawer is left slightly open. Similarly, a battery pull-tab that’s still in place can be causing the disruption. The chirping can also be caused by pressing the silence button by mistake. This will cause your smoke alarm to chirp once a minute for up to 15 minutes before resetting.

Why should I choose a hardwired smoke alarm?

First Alert Hardwired Smoke Detectors are easy to setup as they plug into your home’s preexisting system. All First Alert Hardwired Smoke Alarms come equipped with a battery backup that will continue to operate in the event of a power outage. The added ability to interconnect hardwired smoke detectors to one another adds multiple avenues to explore when creating a personalized smoke, fire and carbon monoxide defense system.

Does First Alert offer hearing impaired alarms?

Yes, First Alert Alarms equipped with LED strobe lights are available for online purchase. All First Alert Hearing Impaired Alarms meet UL Standards while fulfilling the requirements of the American with Disabilities Act. Hearing impaired alarms with LED strobe lights have also been recommended by the National Fire Protection Association (NFPA). First Alert Strobe Lights can be interconnected with other hardwired detectors setup throughout your home. Hardwired Strobe Light Alarms can operate independently or be interconnected with other hardwired alarms for increased protection.

How about First Alert Hardwired Smoke Alarms?

First Alert Hardwired Smoke Detectors are available in a variety of models. First Alert Hardwired Ionization Smoke Alarms have been optimized to quickly identify smoke from fast, flaming fires. First Alert Hardwired Photoelectric Smoke Alarms implement a sensor that detects larger smoke particles produced by smoldering fires. First Alert Hardwired Combination Alarms are capable of detecting two threats, smoke and carbon monoxide. First Alert Onelink Smoke and Carbon Monoxide Detectors provide enhancement features such as Amazon Alexa compatibility and access via Apple and Android devices.


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