Thanks so much for your time everyone Today I am going to set about reseating the valves what are the consequences of me just opening it is there a sequence
Hi
For a year now our Unvented Water cylinder has been dripping outside (25 litres per day). First he replaced the pressure relief valve then the expansion tank. I have scoured the web looking for answers but all the faults listed water seem to running through the tundish but on ours there is...