Discuss heatrae sadia 25l 9004010. in the UK Plumbers Forums area at PlumbersForums.net
Thanks I think there is a filter in the breather pipe. But there isn't much distance between the bottom of the unit and the hot taps. Only 1meter tops. So 0.1bar.Check the breather pipe for blockage, kink, hernia.
If air can’t get into the unit - water can’t get out.
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