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Hi, can any one help? I've had the Yale 6400 alarm for some years now but recently I got an exclamation mark light on the CPU which, after having changed batteries here and there plus on the outside alarm itself I eventually was able to get the exclamation light to go out. However, I now seem...

I've had this installed for a few months now and assumed it was working since originally it went of when I tested the front door. I've since added a sensor to the back door and also a PIR to the conservatory, did the walk test and they both received the signal. I use a key fob to switch on/off...

Further to my attempts at silencing a noisy system, my plumber has suggested trying auto vents to get rid of the air that seems to be permanently in the system. I'm not sure as whenever I go to let out air from the rads hardly any ever seems to come out. Will these auto vents find air that I...

I've got a Glowworm Economy plus 60 F boiler fitted in 2001. It was o.k. at first but these last couple of years it's been noisy, with spitting and backfiring sounds. Lately I've replaced the fan and a few other bits, and yesterday I had it serviced and the whole system flushed and the pump...