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    Pressure loss sealed system

    Hi looking for problem solving here please. I have a megaflow. Was fine until works done on cylinder, pipework altered.at same time I had works done by builder on garage conversion including running new pipework part of which is under tiled floor now. .over last volume of months I keep loosing...
  2. G

    Megaflow issues

    Hoping you can help. I have had 6 visits from British Gas and back to where we started. Issues are: High pitch whine through pressure reducing vale on cold feed. Still to be changed. Only make this when running hot water. Hot water heating when turned off on Honeywell programmer so not...
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