Recent content by kevins

Pipe is connected ok, before it was working fine...suspecting its scaled in heater exchanger!? the thermistor is not good and more..?

hello, I got a shower water is running hot and cold issue. I have a Vaillant boiler and have just changed a new shower problem is still present. The water in basin and kinchen is OK. Only when I use the shower it runs hot and cold. My water pressure is good. No other appliances or taps were...