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  1. M

    The problem is that the system has an air lock, it is a mains fed boiler heating system (Butco)...

    The problem is that the system has an air lock, it is a mains fed boiler heating system (Butco) problem started when the water had gone off and as normal I turned on the hot tap and now it makes a continuous noise when the hot water tap is turned on slowly. Do you know what is causing it and how...
  2. M

    do you know anyting about heating??

    do you know anyting about heating??
  3. M

    Hello do you know much about ideal heating systems??

    Hello do you know much about ideal heating systems??
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