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    Overflow pipe dripping cold water from unvented system

    Hi I have a unvented system with a megaflo cylinder, over the last year I have noticed the outflow pipe dripping outside. British Gas have replace the cold water PRV and the temperature and pressure value. Each time this has solved the problem. However the water has recently started dripping...
  2. H

    Connecting 3 new smoke alarms in 3 storey house

    Hi I'm trying to replace 3 smoke alarms in a 3 storey building. The smoke alarm units each have a brown, white and blue set of wires. On the top floor the existing alarm was connected to a red, yellow and blue wires in the ceiling. On the second floor I have the red, yellow and blue...
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