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Sep 20, 2011
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Hi I have a valiant turbomax 824e that is not producing hot water for the taps.
The central heating works fine, but if I have the CH on or off the hot water doesn't work reliably. It will sometimes fire up and produce some hot water for about 10/20 seconds but very rarely does really hot come out. When I turn the heating on the boiler fires up, Orange light goes on, and starts heating the water. but this does not happen when I just turn the hot water on, no Orange light and no hot water, or orange light comes on for a short period, a bit of warm water and eventually goes cold and light goes out.
I'm guessing it could be the diverter valve and I have changed the Heater exchange in the past 6 years ago.
We haven't changed the scale Inhibitor for a few years until now which will have caused issues.

Any ideas on test I can do to isolate the problem. I possibly could replace the diverter valve but would appreciate any advice before I make any changes.

Thanks Abe
 
Sorry but forum rules do-not allow us to give information on DIY Gas work, your options are to call a local Gas Safe registered engineer, or Vaillant Boilers service dept.
 

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