Hi
Just joined forum as amateur DIY guy and wonder if anyone here can help me. I have a Vaillant 828 Turbomax Combi boiler which I’ve had for about 16 years old. I monitored the pressure yesterday & saw that it was quite low (around 1) so I topped it up to just over 2 and when I went back to it today it's dropped down to 1 again which made me wonder what’s wrong…e.g. an issue with the expansion vessel, fault on pressure gauge, leak, etc. The boiler still seems to be working ok still too. Thank you in advance for your help/comments. Tony
Just joined forum as amateur DIY guy and wonder if anyone here can help me. I have a Vaillant 828 Turbomax Combi boiler which I’ve had for about 16 years old. I monitored the pressure yesterday & saw that it was quite low (around 1) so I topped it up to just over 2 and when I went back to it today it's dropped down to 1 again which made me wonder what’s wrong…e.g. an issue with the expansion vessel, fault on pressure gauge, leak, etc. The boiler still seems to be working ok still too. Thank you in advance for your help/comments. Tony