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Vaillant ecotec heating water but not radiators?

I have a Vaillant ecotec boiler.
I'm getting hot water from it, and it's evidently receiving instructions from the thermostat. But it's not firing up to heat the radiators since I turned the thermostat down for the summer. Any ideas?

patrick wilson
September 2010

Vaillant Heating, Home Heating Systems Heating Water Not Radiators

Same here, checked various websites but lots of this question but no answer

jason
November 2010

Hi Patrick, did you get any answers, that is exactly the same problem I have when I tried to put the heating on after the summer hot water only setting?

Claire
October 2010

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