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Are small pressure drops normal with a sealed system boiler?

Discussion in 'Plumbing and Central Heating' started by MarcoC, 27 Jan 2006.

  1. MarcoC

    MarcoC

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    Hello,

    My gas CH system pressure - the pressure gauge on the boiler (it's a sealed system) - seems to drop slightly over time - say about one eight of a bar over the course of a month - is that normal or does it suggest there might be a leak? How often should a normal system be topped up using the refilling loop? A british gas engineer said to me once a year should be about right but some web sites say you should expect to top up the water in the system more frequently than that.

    Marco
     
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  3. scatmanjohn

    scatmanjohn

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    Normal. but if you are not happy stick in some leak sealer which will stop a drop so small without any probs.
     
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