Lwillis Posted April 14, 2013 Share Posted April 14, 2013 I've fitted a few sounders inside, usually in multiple occupancy office blocks where the landlord doesn't want anything fitted in the lobby. . Link to comment Share on other sites More sharing options...
Oxo Posted April 14, 2013 Share Posted April 14, 2013 And that. Link to comment Share on other sites More sharing options...
AlarmScot Posted April 14, 2013 Share Posted April 14, 2013 I would say as and when required. I have replaced batteries every 30days due to being made badly and I recently replaced a system however system was working very well for last 20years with no major replacements Link to comment Share on other sites More sharing options...
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