Hi - am new to this forum so please bear with me
I wonder if any of you can help - I have a gravity fed system (Sime Superior 80 boiler) and when I switch the hot water only on, the rads (upstairs mainly) get warm/hot. I have checked the three port valve and it is changing to the correct positions when the hot water and heating is on. Can someone point me in the right direction please ?
Thanks very much
Chris
I wonder if any of you can help - I have a gravity fed system (Sime Superior 80 boiler) and when I switch the hot water only on, the rads (upstairs mainly) get warm/hot. I have checked the three port valve and it is changing to the correct positions when the hot water and heating is on. Can someone point me in the right direction please ?
Thanks very much
Chris
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