https://www.google.co.uk/search?q=vaillant+boiler+lock+out&client=ms-android-om-lge&site=webhp&prmd=sivn&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjSz9Si5cLVAhUhCMAKHQhHCKsQ_AUIEigC&biw=360&bih=574#imgrc=oICuqQm1KuEsfM:
If that works...its the same as our boiler. The hot waters turned on but wont...
Right.....well Tony i live in Dudley......youll see many saris en route! I can get plonk and indian takeaway...promise!
Im not very good at this kinda stuff. I could easily pull at your heart strings but thats a bit below the belt! But if i have to.........
As seen in the title we have a grand old lady of boilers. Well so far weve replaced a diverter valve and circuit board because we used to have to put the heating on full to get hot water. That got fixed.But....now.....we have "lock out?" the hot water only comes on if we flick up the switch to...