Recent content by Joe1970

I bought a replacement thermistor and opened the front cover, located the thermistor according to the service manuel. But when I tried to take it out using a span, I found there is water coming out from the contact between the pipe and thermistor. Soon I fit it back then water stops. I am...

Thanks Dave. Did you think lack of pressure in EV or faulty EV could cause both temperature and pressure out of control? Hope it is as this will make things simple, though it is not cheap and DIY job. JOe

By the way, I should mention that the pressure keep rising when the temperature going mad. It is about 60 degree at 2 bar, and 80 degree near 3 bar. Could there be any single problem pointing to this two related syptoms (tempeature and pressure)? Thanks in advance.

We just moved in a new house which have vokera maxin 28E in place for DHW and CH. When we turned on the CH three weeks ago, it was ok for two days. The first time I realise it was doing something wrong was that day my wife told me that it was too hot in the house and asked me if I adjusted the...