Just a quick one. With a typical combi-boiler when you have demand for both heating and DHW does the diverter valve go mid-way somehow or does DHW take 100% priority as water temperatures between CH and DHW would typically be different.
Cheers Pete
Combi-boiler query.
May 18, 2009
2 Replies
With most combis a hot water demand will take 100% priority (even if you are not actually drawing anything like the maximum capacity of hot water). Some are even fooled by a fast dripping tap!
Thanks John. That's what I thought _should_ happen but I think the valve has been playing up much longer than I thought.
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