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can anyone recomend someone who covers the croydon area? Thanks,

Hi Guys, I’m new to the forum and have no previous boiler experience. 1) Boiler make / model (gas or oil) Glow worm Ultimate 40FF (gas) 2) What is / is not happening. LED (1) on the boiler PCB is lighting but as soon the control thermostat knob is turned to start the lighting...