First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
by BRK Brands
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Product Details
Manufacturer: BRK BrandsModel: SC9120B
Color: White
Product features:
- Superior carbon monoxide sensor and dual ionization smoke alarm
- Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
- Easy to install universal mount bracket
- Simple to use silence/test button; separate smoke and CO latching alarm indicators
- 9-volt battery included; 5-year limited warranty
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Description of First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
The BRK hardwire combination smoke and carbon monoxide alarm detects two hazards with one simple unit. Carbon monoxide (CO) is a colorless, odorless, deadly gas. It can be emitted by sources including gas or oil furnaces, gas clothes dryers, water heaters, fireplaces, wood stoves, charcoal grills, gas ranges, and space heaters. A clogged chimney, improper venting, and attached garages can also cause carbon monoxide accumulation. According to the Consumer Product Safety Commission (CPSC), at least one CO alarm should be installed near a home's sleeping area.The BRK SC9120 hardwire combination smoke and CO alarm with battery backup includes these features:
- Quick plug-in power connector for easy installation.
- 120-volt AC inter-connectable (with maximum 18 compatible devices). The alarm can be interconnected with up to 12 other compatible smoke alarms and six compatible devices like bells, horns, repeaters and door closers. If one unit triggers an alarm, all smoke alarms in the series will sound. Power indicators show which unit in the series initiated the alarm.
- Ionization sensor which is more effective at detecting flaming fires which consume combustible materials rapidly and spread quickly.
- Microprocessor controlled for fewer nuisance alarms.
- Single test/silence button which both silences a non-threatening alarm or low battery warning and allows you to test the unit's functionality.
- Automatically performs internal test of functionality.
- Latching alarm indicator which automatically identifies which unit initiated the alarm.
- Separate smoke and carbon monoxide visual and audible warnings.
- Battery drawer lock and mounting bracket lock for tamper resistance.
- AC power indicator and alarm indicator light.
- Low battery warning "chirp" and missing battery tab.
- 9-volt battery backup for peace of mind during power outages.
What's in the Box
One combination smoke and CO alarm, one 9-volt battery, and user's manual
Tools and Hardware Reviews of First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup
Customer Review: BRK SC9120B Hardwired
Summary: 5 Stars
Originally had BRK alarms, but did research anyway as my alams were 15 years old. After doing my research decided on replacing all four of my existing alarms with this model, SC9120B. For just a few dollars more I figured it was worth having the CO2 detector on all levels of the house. Installation was simple, I replaced the connectors with the power on, if you are careful and do not ground yourself if is much faster. You will get a shock if you are not careful. Actually I got one when doing the cathedral ceiling unit. The units went right in. HOWEVER one of the units was defective, it worked but did not trigger the other units to go off. After some switching of units I was able to determine it was the unit. Reqested a replacement, got it, installed it, and then returned the unit just in case I needed a part. Return was quick and easy.
Some suggestions, tag the connectors in the electrical box, clearly identifing the installation date so you and others can tell when the units were installed. Before installing check the manufacture dates on the units themselves, do not accept older ones as the life of a unit is 10 years. While some people report receiving 1 to 2 year old units, mine were all only a few months old. Change the batteries once a year on a specific and rememberable date, such as the time change, of when you installed the unit.
The unts work well, as I was leaf blowing outside this weekend and the units were triggered by the exhaust because the windows were open in the house. Turned on the whole house fan and the unit went silent after a few minutes.
More First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup Customer Reviews:
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