combination boiler

  1. C5VHB

    Logic 24 combi boiler problem

    Hi, I have a Logic 24 Combi boiler. I have started having issues with the heating a couple of days ago when I realised the CH was not heating the radiators as much as it used to. I thought this may have been down to the pressure and tried to increase it slightly because it was on 1 bar and im...
    • C5VHB
    • Thread
    • boiler control boiler failure central heating central heating combi boiler biasi central heating issue combi boiler combination boiler help logic pump over
    • Replies: 9
    • Forum: Plumbing and Central Heating
  2. M

    heating works but no hot water Heatslave 18/25. Help!

    My 85 yr old mother has a Worcester Heatslave 18/25 combi oil boiler. The oil ran out this week, delivered today and the heating works fine without bleeding, but there is no hot water. Any ideas please? Read more...
  3. T

    BIASI Combi Boiler - sounds like an aeroplane!

    I have a (6 year old?) BAISI Riva Advance HE. It has started making a loud noise / vibration (similar to an aircraft engine). Noise was only happening when large heating demand made ie at CH switch on from cold or when large DHW demand (e.g. Hot bath tap opened). After a few minutes it would...
  4. R

    Wildly fluctuating pressure gauge - boiler

    Hello, When we turned the heating on for the cold season, the pressure gauge on the boiler has started to fluctuate wildly. The pressure when the boiler is idle seems to be falling rather quickly. Sometimes it has been down to 0.1 bar, but when the room heating starts it goes up significantly...
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