you doing a wanky "grand design" project ?
I'd assume you need either need mains powered interlink smoke detectors or bs 5839 pt1 fire alarm
normally somebody with an understanding of construction & buildings regulations like a competent architect would have advised or taken advice on whats required ?
err..have'nt interlinked mains powered smoke alarm been a requirement for new builds for the last 25yrs or so ?
Looking at there site its does'nt appear to confirm to any std ?
Is the property wired & plastered yet ?
apart from the last month or so when its not been working..
yes, rather than having alarms with Police URN's & Dualcoms, Bet Fred use https://www.alarm-monitoring.co.uk
you pay your money & take your choice...
,,WwA 24yr old alarm isn't worth bothering with,
If the cables are okay, new controls, new bell ect...
The engineering can't be changed, if it's the same concept I'm thinking of with a rkp, there's lots of core sent to the rkp either a 20 or 2 8's