Not touched the valves but i left it off for a few hours. switched it back on and its returned back to normal. big thanks everyone. saved me having calling out an engineer!
Perfect. thanks a lot mate thats worked a treat!!
when switching the boiler back on and setting to the lowest setting i.e economy the Flow temperature instantly goes from 40 degrees C on the screen right up to 99 in less than 20 seconds. Is this behaviour normal or am i going to blow up the...
Hi there,
I had to bleed one of our radiators last night due to it not getting warm for a while (and making a water rushing noise). After I did, when switching the heating back on the boiler pressure is at zero in the red, then the flow temperature on the screen goes from 25 degrees c to 99...