Have not had chance to call them yet. Plan to do this tomorrow, but do not hold out much hope they will look at for free. I also checked pressure, is ok at 1.5 bar.. Thanks
We own a Ideal Logic Combi 24.
Over the last week or so, the heat has been decreasing in the downstairs radiators. Today the heat disappeared from both the upstairs and downstairs radiators.
This evening I turned off all the left hand valves on the upstairs rads, in the hope this would send...