Can You Help With These Problems?

• BRK Electronics Smoke Alarm 4120B
  Posted by gehlings on Nov 8th, 2009 at 8:58pm
  
  
  Replacement for 4120b
  One of our detectors needs to be replaced, where do we get a new one?
• BRK Electronics Smoke Alarm 4120B
  Posted by aacod1 on Nov 1st, 2009 at 9:02am
  
  
  smoke alarm
  smoke alarm beeps every minute or so it is hard wired what is wrong with it and how do I repair it
• BRK Electronics Smoke Alarm 4120B
  Posted by janjan22 on May 30th, 2009 at 12:30am
  
  
  brk smoke alarm 4120b
  all the alarms going off at once with no smoke
• BRK Electronics Smoke Alarm 4120B
  Posted by jveigl on May 26th, 2009 at 6:49pm
  
  
  Alarm going off for no reason
  The alarm went off several times in the night with no apparent smoke or fire. What could be causing this and what do you suggest that we do
• BRK Electronics Smoke Alarm 4120B
  Posted by trudi77 on Mar 29th, 2009 at 12:50am
  
  
  constant alarm sound!
  one nite the 6 smoke alarms in the house went off with a loud alarm sound, scared my 89 year mother so much!
  
  I had to disconnect them all and have tried connecting them again but they continue to make the loud alarm sound. what do I need to do? please help
• BRK Electronics Smoke Alarm 4120B
  Posted by linmccue on Mar 22nd, 2009 at 5:27pm
  
  
  battery
  cant get the battery holder open
• BRK Electronics Smoke Alarm 4120B
  Posted by runsalot88 on Mar 22nd, 2009 at 2:58pm
  
  
  Chirping won't stop
  My house has several BRK 4120B. After a couple of years they one by one started chirpping. New batteries don't help. They still chirp! How do I fix.
• BRK Electronics Smoke Alarm 4120B
  Posted by gordonvanvleet on Feb 23rd, 2009 at 11:57pm
  
  
  Two main units keep beeping on and off.
  Product keeps beeping on two units. I replaced batterys and sitll beeps. There is a copper wire not conntected to anything. Should I ground the wire?
• BRK Electronics Smoke Alarm 4120B
  Posted by val.s.barton on Feb 3rd, 2009 at 8:53pm
  
  
  BRK 4120B
  We lost power in the house last night and 3 of our 4 detectors would not stop alarming. Anyone know why this would happen?
• BRK Electronics Smoke Alarm 4120B
  Posted by jjester79 on Feb 2nd, 2009 at 2:19am
  
  
  Replace 4120B Alarms
  I havea a home with 15 BRK 4120B that i have randomly go off (ie it will start beeping like low battery but then go into full alarm). Replacing batteries does not fix the issue. I want to replace all of the alarms in the house. Do you have newer model that can use the same ceiling mount/hardwire con…
• BRK Electronics Smoke Alarm 4120B
  Posted by dtesfaye on Jan 16th, 2009 at 2:01pm
  
  
  trigerred for no reason
  412B
  
  trigerred for no reason
• BRK Electronics Smoke Alarm 4120B
  Posted by brett.clark on Sep 23rd, 2008 at 8:37am
  
  
  chirps 4 times in middle of night
  One of mine seems to chirp 4 times (20 second intervals) in the middle of the night. I have used compressed air to blow it out but it did it again at 3am. It only chirps 4 times and none of the other ones make a peep. Unfortunately, 4 times is more than enough to wake me and get the adrenaline pu…
• BRK Electronics Smoke Alarm 4120B
  Posted by leekimberly82 on Sep 16th, 2008 at 12:05am
  
  
  smoke detector still going off for low battery after being replace with new battery.
  i have replace the battery and smoke detector still goes off for low battery. Is there something I may be doing wrong? Please help me so I can get some sleep.
• BRK Electronics Smoke Alarm 4120B
  Posted by markgresky on Sep 13th, 2008 at 5:38pm
  
  
  need to replace BRK electronic 4120B Smoke Detector
  I need to replace this smoke detector since it is 10 years old. Can you provide the nearest dealer of this model to Morgantown, WV 26508? Thanks.

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