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Hi, My fathers boiler, (above) one year old, has flooded the heat exchanger due to a blocked condensate pipe. Water in the pcb and gas valve. Has anyone else experienced this problem? On the old main combis there was a sensor to stop the boiler firing if the pipe froze/blocked, is this...

Hi, I have a Grant Vortex 36e oil combi, over the last few days I have been told the hot water has deteriorated to now which is a very poor flow and luke warm water. With the heating off the the demand indicator lights up along with the flow switch and DHW pump indicators when the hot tap is...