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what is wrong with my boiler?

I have a ariston microcombi 23 mffi boiler and im not sure what the pressure should be on it!...
Also we only get got water if we put the hot tap slowly and if you turn it up the water goes luke warm.. Can anyone please help me with my problem?

thanks
becka
becka, June 2011
it's your dhw plated heat exchanger,needs cleaning

muke, June 2011
Usual pressure is about 1 bar, your intruction manual will tell you, also some manufacturers put it on the boiler. Sound as if it could be low pressure, you do not say what the pressure is.

SD, June 2011
link Click here to see other fixes for Ariston Microcombi 23 MFFI.