Fix Fault Vaillant

pressure rising from 1.2 to 2.4bar in couple of hours even with boiler turned off. Suspect plate heat ex. any othe suggestions. Fill loop has been disconnected and doesnt let by.

The pressure reading on our Vaillant Turbomax Plus 824 is reading above 3 bar when the central heating is swithced on. There is also warm water dripping constantly from the outlet pipe. The boiler was ... more

I have problems with my gas-waterboiler VAILLANT MAG PRO. When I open the hot water tap, he starts heating but after 1 minute the flames go smaller and smaller and till nothing.

when bleeding one of the radiators a lot of water came out before I could close it back so now the pressure gauge has gone right down how and where do I get it to the right pressure?

I have a Vaillant eco Plus 837 boiler, the problem I'm having is that the pressure reach 3.4 bar, I tried to reduce the pressure to 1.9 bar, after half an hour the pressure go up again

I have a 6month old Vaillant Combi ecoTEC 937. The pressure keeps rising to 2.8/2.9/3bar. has anyone got any ideas what could be causing this. previously when this has happened it has come up with ... more

Kitchen tap only flows hot when I have a hot tap flowing in bathroom, otherwise remains cold. I have a combi boiler (Vaillant)