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  1. M

    Worcester Greenstar 15ri pressure gauge

    Thanks Gas Guru, that makes sense... spotted there's a cylinder in another cupboard nearby! Seems to be an open vented system then. No error codes / flashing light so nothing for it; have called an gas boiler chap out to take a look. Thanks again anyway
  2. M

    Worcester Greenstar 15ri pressure gauge

    Hi all My tenant has a Worcester Greenstar 15ri pressure gauge that isn't heating well (was serviced not long ago) and the symptoms sounded a little like low pressure. However, there's no pressure gauge on the unit itself nor an obvious water pressure valve / key. I found some online manuals...
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