Recent content by Jayd1974

Currently working on a valiant 937 with f81/91 fault codes ☹️

Hi I am working on a heatline 24c combi boiler I have hot water and heating when I turn hot tap on I get hot water but if I open tap upstairs at the same time I don't get any water I can only get hot water out of 1 outlet a at a time I have clean plate heat exchanger check Diverter valve pins...