Secware Posted June 3, 2013 Share Posted June 3, 2013 My question is this. Are all the biscuits in an 11-20 blue-pack (as above) the same, apart from the numbered stickers, or is the internal wiring different? I ask because I've just broken a No 20 while attempting to replace a doorbell plate. Can I use another biscuit from the same pack as a replacement, or will this upset my alarm system? Sorry if this is a stupid question, but I'm no expert. I've asked for high-priority because my house alarm is disabled by the problem. Quote Link to comment Share on other sites More sharing options...
Secware Posted June 3, 2013 Author Share Posted June 3, 2013 If this is programmed as 20, this will need to be another 20 as a direct replacement. Quote Link to comment Share on other sites More sharing options...
accounts3 Posted July 4, 2013 Share Posted July 4, 2013 The resisitor in each one is different, so you will need to reprogramme or use a new number 20, as above Quote Link to comment Share on other sites More sharing options...
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