My Vaillant TurboMax boiler has stopped supplying hot water to the taps but Central Heating is fine (hot water tap light rarely comes on when running hot tap - will for a bit sometimes then stops and water go's cold again). Now from reading around the forum people are saying it's either the Diverter Valve, Microswitch, Diaphram or plastic needle that hits the microswitch. Not knowing anything about boilers (I'm a Network engineer by trade) I was hoping someone could give me some pointers as to how I can isolate this problem so I can have an idea of cost to repair before calling an Engineer out.
Any ideas greatly appreciated...
Cheers,
P.S. I was up in the attic when it stopped working laying some rockwool and it's in my head that I could have done something to affect this ? Not possible right ?????
Any ideas greatly appreciated...
Cheers,
P.S. I was up in the attic when it stopped working laying some rockwool and it's in my head that I could have done something to affect this ? Not possible right ?????