magnetic

  1. O

    Magnetically enhanced back-draft damper

    I once read a suggestion that a magnet might be used to fully close back-draft dampers. The general response was that magnets would be too strong. You might like to know that have now used a magnet successfully and it works well. There is a satisfying 'knock' as the damper is pulled right in...
  2. alarmbenjy

    Repeated False Alarms (Wired System)

    System log:- 205) SET PRGRAM 21:35:57 206) ENTRY START 13:11:46 Zone 1 207) ENTRY TIMEOUT 13:12:15 Zone 1 208) INTRUDER 13:12:51 Zone 1 209) INTRUDER 13:13:05 Zone 1 210) INTRUDER 13:13:07 Zone 1 211) INTRUDER 13:14:21 Zone 1 212) INTRUDER 13:14:27 Zone 1 213) INTRUDER 13:14:34 Zone 1 214)...
  3. I

    Alarm magnetic door sensor can I bypass

    Hi, I'm having problems with my magnetic alarms door sensor on my patio door. I can't set the alarm as it says the zone is open. It's a Scantronics 9651. The sensor is old has been glued together by the looks of things. I had a look at the wiring from the back and see the following colours...
  4. alarmbenjy

    False Alarms - Front Door Magnetic Contact

    I have a sealed magnetic contact connected to the Accenta Gen4 on my wooden shed door, I replaced it with a sealed metal contact on previous advice near 2 years ago. Previously I used the standard white plastic contacts and even tried a heavy duty contact for a gap that is always near enough...
  5. eveares

    Update: Magnetic central heating filter worth it or just flush system with Sentinel X800?

    Been doing minor work to my Central heating system consisting of replacing one single radiator for a double one (same width and height) along with refitting a another poorly fitted radiator which brackets were loose and wonky. When I drained the radiators, small black particles came out what...
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