Thank you very much and it worked except I was a bit slow turning the valve off so the needle is most of the way into the grey area but still away from the shaded red box. Cheers.
Ok I admit that I am clueless so please bear with me. Red light flashing plus F22 and no hot water so I need to raise pressure as needle is in the red box where it says BAR. Miraculously I have located the flexible filling loop under the sink all connected. There appears to be just one valve which s...
Just had a Vaillant Ecotec Pro 28 boiler installed and my elderly parents do not understand how to use the wireless remote control. The old boiler had a honeywell manual wall thermostat which they could use easily. The installer of the new boiler set the wireless control so that the boiler comes on ...
