Recent content by MGB69

  1. M

    Pressure in combi keeps going up (moved from forum info)

    I used drain/limescale cleaner basically caustic soda
  2. M

    Pressure in combi keeps going up (moved from forum info)

    It is going up with the heating off. I cleaned it with chemicals and didn't put anything else in to it to clean it.
  3. M

    Pressure in combi keeps going up (moved from forum info)

    I have a baxi main 30he combi boiler and yesterday I took the secondary heat exchanger out of the boiler to clean it because the shower kept going hot then cold and many threads have said this would be the cause. Cleaned up great and put back in to the boiler however the pressure gauge goes up...
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