Central heating system is able to heat hot water for taps, bath sink etc however despite turning boiler and thermostat up to full the radiators never get more than tepid to the touch.
System has been bled free or air locks, thermistor has been changed and still no joy!
The boiler keeps turning off and on every ten minutes. One plumber has already spent some time with it and could not find a solution so recomended a second opinion.
The boiler it self is only about 3 years old.
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