all radiators full of water and working fine. The same problem happened a few years ago I had several engineers out who fit various components however the problem reoccurred. It was suggested that the boiler needs replacing as the fault was not cured. An engineer suggested to me that it could be...
Hi, my vaillant turbomax VUW242E is tripping out via the boiler overheat stat. some times twice a day it might then go a week without tripping out. the boiler is about 12 years old I have changed the overheat stat for a new one and the NTC temperature sensor. However, the problem remains...
I cleaned the exchangers by removing from boiler and using a cleaner.(ferox ? that I was advised to use form the plumbers merchant)
there was a lot of iron oxide in the DHW exchanger but very little in the main heat exchanger.
I have not checked the pump
the aav is sound
I changed the...
Hi Can any one help
I have a vailant turbo max VUW 282 E which over is haeating and cutting out when in central heating mode?
I have cleaned out both the heat exchange unit and the direct hot water exchange unit (advised to do by engineer)
the system has been cleaned and flushed
Overheat...