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apologies, didnt realise !!

Hi, ive recently become gas safe registered and have come across my first s..t boiler job!! Im having problems with an ariston microgenus 24, it has a01 fault code. when there is a demand pump runs, fan runs, air pressure switch ok, no spark from electrode. Pcb was replaced and no electrodes are...

hi, i was called to fit some new parts to an ariston microgenus. a previous engineer diagnosed an a01 fault to the pcb, LH electrode, RH electrode, and detection electrode. i replaced all these today supplied y customer but fault still exists. When there is a demand, fan runs, pump is running...

Hi, this is my first post so many thanks in advance. Im currently installing a new unvented cylinder with a hot water return circuit. I am not familiar with these return circuits, so wanted to query something. The cylinder is on ground level in garage. Hot water circuit leaves the cylinder and...