ideal independant c30

Hi I am attempting a self install with Hive with an Ideal Combi I will isolate all electrics and want to make sure that I am doing things correctly before I do the diy work at home at get stuck. Is my wiring diagram correct below? Can I use the mains into the boiler and connect off the same...

Hi. Really hope someone can finally help as this will be the 3rd winter where this same fault has happened! Boiler works fine heating water all throughout year. Winter and cold weather arrives and boiler fails to come on in the morning on timer as set. L2 fault shows. Reignite, which sometimes...