My Suprima 40L boiler won't shut itself down when the CH is on, even if it exceeds the thermostat required temp. We have to shut the system down by flicking the fuse switch to off. Even when we move...
My Suprima 40L boiler won't shut itself down, even if it exceeds the thermostat required temp. We have to shut the system down by flicking the fuse switch to off. Even when we move the CH control...
