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    Cost of replacing expansion vessel on HRM wallstar system

    I agree and will do . however engineer doing yearly service , when asked said it was the expansion vessel - needs replacing and would cost about £170 pounds and didn't know costof vessel. So was just getting figures for comparison. thanks :D
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    Cost of replacing expansion vessel on HRM wallstar system

    Connected to the expansion vessel is the gauge which i guess reads system pressure - and should run around 1 bar. Slowly over a few weeks drops to 0. Get it back up by adding water via fill pipe. Thanks :D
  3. C

    Cost of replacing expansion vessel on HRM wallstar system

    Well now, i pressed in schraeder valve and only air comes out - so why is pressure dropping????? Thanks. :?:
  4. C

    Cost of replacing expansion vessel on HRM wallstar system

    Will do checks tomorrow and report back
  5. C

    Cost of replacing expansion vessel on HRM wallstar system

    IN REPLY TO how do you know it needs replacing? is water coming out of the valve? next question is, how many rads on your system? second question how big are they? third question how any are double panel? 1. Pressure going slowly down to 0. Have to keep topping up. 2. 13 radiators - 4...
  6. C

    Cost of replacing expansion vessel on HRM wallstar system

    I might be able to buy one but i certainly wouldn't fit it myself. I want the cost of fitting it !!!!!!!!!!!!!!!!!!! Thanks :?:
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    Cost of replacing expansion vessel on HRM wallstar system

    No , its abve the casing seperately on the wall - its a 12 Litre - Zilmet Red Expansion Vessel - seem to only be about £30 + vat. thanks :D
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    Cost of replacing expansion vessel on HRM wallstar system

    Does anybody know the cost of replacing the external expansion vessel on my HRM Wallstar condensing boiler - keep having to top it up. Thanks in advance. :D
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