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Not too sure if I have got the name right, but when I had BG out to look to if if my boiler was burning the correct amount of gas he had a little application on his laptop, which allowed him to input info that appeared on the boiler, time and the amount of units used. The answer that popped...

Cheers folks. Finally got British Gas to actually look at the BM3 - this engineer seemed a little bit more clued up, he wasn't frightened of actually taking the cover of the BM3. Replaced the Speed Flow Sensor (which when removed was covered in green sludge - a mix of water condition and...

Cheers guys... How difficult is it to change the thermostats on the Thermal Store??? Is it something that anyone technical can do??? Where do I get the setup procedure for setting the Thermal Store? What is a good alternative to the BM3 (not Gledhill :evil: )?

Having a problem with my central heating system, the boiler seems to fire up every 5-10mins or so. Having read through the forums, I believe that this is very unusual, that the boiler should only fire up every few hours. Also the cupboard that that BM3 is in is very hot as is the hot water...