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Hello again i have cleaned out the secondary heat exchanger and changed the d.h.w flow switch and d.h.w temperature sensor. Unfortunately still no joy. I did ring ariston and they sdaid it could be the air pressure switch but i am a bit unsure as now we are getting hot water when the central...

Is the secondary heat exchanger easy to clean out>whats the best way to clean it out and what with exactly. i.e plain water or put something in it.

hello again, I have found the manual for the boiler and can now tell you that it is the 23/27 mffi model. I have changed the main flow switch and membrane but still only a bit of hot water comes through then it goes cold and back to square one. I think I need to change the D.H.W flow switch now...

Hi I have been looking on the internet and it is very similiar to the TX 23 MI model but ours has the temperature lights on it as well. I am looking for the booklet as we speak.

Hi there can someone please advise me on this problem i am having. Last week my partner asked me to have a look at her mums boiler which was installed three years ago. apparently the boiler is working fine on central heating but when you turn the hot tap on to ask for water, the water is coming...