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I am having problems with the lockout l.e.d. lighting and having to reset the boiler regularly also the water temp is irregular and the yellow l.e.d's not rising above the 50degrees. Had similar prob a year ago and fitter put two DHW probes in and a secondary exchanger, can anyone help please...

hi, I have an ariston combi boiler and recently emptied the central heating to replace a rad valve, I filled up the system again and now my hot water is not getting hot enough when the tap is turned full on, if you turn tap to a drizzle the temp goes up. Does anyone know if I have caused this...