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bettyswollocks
Got this Baxi duotech boasting 13 litres per minute at 35 degrees (who wants a shower at 35 degrees) Hot water flow rate. Incoming cold main differs from each tap you test it, mixer tap, 12 litres pr minute, bathroom non mixer 14-15 lpm. Boiler is a 33kw not doing what it says on tin. Anyone? Hot water flow rate is struggling to get past 11 lpm.