Secware Posted March 4, 2019 Share Posted March 4, 2019 will this alarm box be compatible with my avanti sytem.I have an MDT bell box which is no longer working, I have tried running a 12v supply to bypass the battery,the green/red lights come on, but no sounder. thanks https://www.securitywarehouse.co.uk/catalog/intruder-alarm-c-36/sounders-c-36_45/external-sounders-c-36_45_140/pyronix-deltabell-plus-external-sounder-back-plate-blue-p-2867.html Quote Link to comment Share on other sites More sharing options...
Secware_Tech6 Posted March 5, 2019 Share Posted March 5, 2019 yes but i prefer the Cqr units Quote Link to comment Share on other sites More sharing options...
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