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Posted by Graham on April 26, 2004 at 02:58:33:
Hi there, I've got the above combi and it's refusing to regulate the flow rate of the hot water - thus HW is coming out tepid. Does anyone know if this is just the diaphragm or is it the pressure differential valve? I can't find any info on this anywhere (don't have a manual). I suspect the fault is generic to combis - once I know roughly what it is I should be able to look more closely. Thanks in advance.
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