I have a potterton Netaheat 10/16 heating only working up stairs?
I have a potterton Netaheat 10/16 it fires up but i am only getting heat in upstairs rads and not down stairs, i have closed all valves upstairs to try and force through to downstairs rads to no avail, also when i turn the thermostat up to full boiler does not fire, surely this should fire when demand is asked for, can anyone advise?
Nataflop
February 2010
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