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So ive diagnosed my heating system to be the PCB from the error code displayed, i ordered the new style Retro-fit PCB from ebay and i can't see how this is going to work???? the old was is black and has a single pin plug whole on the front of the PCB which obviously controls the spark.... The...

Can anyone point me toward a fitting guide on how to change the DHW thermistor? Ive fitted a new Diverter and head a few months ago and all has been well up until i started to display H£ fault this morning :-(

Ive just changed the diverter valve and head on an Ideal Isar M30100 and its stuck on "D".... The water is red hot but the central heating isn't warming up????? When you turn the boiler off and back on you can see the motor operating the valve and "c" is displayed for a split second then it...

firstly thanks for any advice you can offer! My Ideal boiler has been playing up recently and heats up the radiators regardless of the thermostat or timer switch settings. The hot water is still working fine and it switches from "C" to "D" as it should but never displays 0 as it should (no...