Will do at some point when I have time. Expansion vessel is pressurised at 1 bar when the system was empty. So it was cold. Thanks for your help but the problems not with the new expansion vessel. There is water passing into the system somewhere.
Yes system was cold, I then ran the system up to temperature and it cut off before it got to 2 bar after I had finished the work. However, a day later **** getting over 3 bar again. There must be a small leak into the system but not through the filling loop. Was wondering if anyone had the...
Hi, wondering if anyone has had this issue before;
i have just just put an external expansion vessel onto a main combi 30he as the old one had perished. However after about a day the pressure is dissing again above three bar. The filling loop is not passing. My only other thought is there is...
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