BRK Brands 9120B Hardwired Smoke Alarm with Battery Backup, Single Individual from Contractor Pack
by BRK Brands
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Tools and Hardware Reviews of BRK Brands 9120B Hardwired Smoke Alarm with Battery Backup, Single Individual from Contractor Pack
Customer Review: Don't buy! Get another brand!
Summary: 1 Stars
I just returned home after a 3 day trip to attend a funeral. I'm drained and exhausted. I have a 1/2 marathon coming up in a day. I NEED rest. Guess what I was doing from 3AM on this morning? Trying to get these smoke alarms to shut up. One of them out of seven needed a battery, so they'd beep 3 times about every 5 minutes. Luckily, I had batteries in the house, so I replaced them all. Even so, the alarm kept on triggering periodically over the next several hours. Of course, once it hit daylight, then they finally decided to stop beeping. Judging by the reviews, I'm not alone in my experience.
I followed the suggestion of another reviewer and just replaced the whole batch with Kidde i12060 alarms -- an adaptor made it easy to just plug in the new units. If you own a BRK/First Alert that is giving you problems, I'd highly recommend switching over. If you are installing new, save yourself a lot of grief down the road and just avoid BRK/First Alert altogether.
Customer Review: Absolutely terrible excuse for a safety product
Summary: 1 Stars
The 9120B does not work properly. I have a dozen of these junk units installed in new construction by our builder. As mentioned in other reviews, it gives repeated false alarms in the wee hours of the night, presumably--according to the manufacturer--due to AC power fluxuations. The battery compartment is extremely difficult to fit a battery into and this thing goes through batteries like a cheap toy. The manual in incorrect regarding LED and beep codes. I am mad; the time is currently 4:23AM and I cannot get back to sleep from another random, middle of the night BRK false alarm. There is a ladder (just in case it goes off yet again) in my bedroom and a pile of brand new batteries on my dresser that this junk unit did not like. Ask yourself this: Why should a power fluxuation make it go off? Isn't that precisely why the battery is there? That is why they call it battery backup. We need to put the whole lot of these on a boat back to China!Customer Review: seems good until....
Summary: 3 Stars
we moved into our house in May of 2007. We really haven't had a problem with these alarms. If one goes off, they all go off and cooking a smoky dinner in the kitchen could cause that. No big deal, they are doing their job. UNTIL last night at 4:00 in the morning when the one in the bedroom begins chirping every minute. UGH. Not to mention we have cathedral ceilings which makes it VERY interesting to try and reach the units. My husband got a ladder and got up here and yanked the battery out. Phew right? WRONG! The thing STILL chirped. Finally he yanked down the top of the unit from the ceiling and wouldn't you know...it STILL chirped but only for another 2 minutes. It was coming from the piece that he had ripped down! Kind of like a chicken with it's head cut off.
I understand having a signal to tell you the battery needs changing but can't we turn the dang thing off until daylight please??
Customer Review: Easy installation
Summary: 4 Stars
I replaced all 9 smoke alarms in my house with the BRK2190B in about 20 minutes. The only reason I did not give it 5 stars is that the old ones were BRK (about 8 years old) that were starting to give false alarms (naturally at 2 or 3 in the morning). I have had them for a couple of weeks with no issues. The old ones did not indicate which unit had failed and was hard to trouble shoot). I had removed four of the 9 in the last year. All 9 of the new ones worked, and I had no issues. Only time will tell if I made the correct choice, but at least the BRK2190B will show me which unit caused the alarm. I have talked with other people with other alarms, and they all seem to have false alarms, so I am hoping the new ones work better. I admit I have not maintained them according to the manufacturer instructions, but who cleans them every month and test them every week.Customer Review: a superb random alarm clock
Summary: 1 Stars
I bought this unit to replace a prior model that was no longer available. It's installed in tandem with other smoke alarms as was its predecessor. It's less than a year old.
Since new, every few random months the unit chirps a random number of times at a random hour of the day - sadly, all but once at dark o'clock, waking up our little tykes. I've replaced backup batteries that test like new on my voltmeter, with new ones that also test positive, to no avail. None of the other units in tandem exhibit a problem. All units, including this one, work as designed when running periodic tests. The unit is neither dirty nor dusty. And I know it works in smokey conditions as my wife occasionally proves by talking on the phone and cooking at the same time.
It's just the kind of thing that makes you want to do something dumb like disable it.