I have a Worcester 24cdi combi boiler the pressure on the system is always sitting at a constant low level needle on gauge points to 0.3 The heating works fine on the timer but thermostat is NG.Some times when running the hot water the temp varies.On occassions can fill the bath with hot water.Is this related to temp from out ie cold days.I have just moved a few months ago and unsure how a combi reacts in winter.The boiler is
2 years old.
2 years old.