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  1. S

    Pressure drop

    Over a week would you expect to see any pressure drop on a Worcester Bosch 28 CDi? I have seen a very small drop over about a week after re-pressurizing the expansion tank and cleaning and re seating the PRV
  2. S

    Losing pressure.

    My Worcester Bosch 28 CDi combi boilers losing pressure. I tried re-pressurizing the expansion tank and re-filling. Pressure up to 1.5 Bar. When CH came on the pressure went up to about 1.9. Over the night time when the boiler goes of the pressure gauge slowly drops to almost nothing. Boiler...
  3. S

    Worcester bosch 28 CDi

    Following previous thread..... Boiler now appears to be working ok. Although..... Small leak from near pressure relief valve and small leak from auto air vent. Anyone any ideas? Thanks
  4. S

    Worcester Bosch 28 CDi problem

    Hi, my boiler has been playing up. I noticed a downstairs rad wasn't hot, all the others were. Tried bleeding it but no air in it. So I bled some water out at the valve to release any air. Sure enough it spluttered a bit and then warmed up nicely. I re filled the system and all ok until...
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