I have just moved into a new house with a 'Sime 80c Format'
combi-boiler. The problem is that the water is only warm, lukewarm at
that! When I turn the tap the boiler lights and seems to be burning at
full capacity but the water is still not hot no matter how long I
leave the tap open. No problem with the heating - thats fine and very
hot, but the water won't get hot in any position.
Any help please would be great!! Thanks Chris.
No. It can only heat a certain amount of water at a time. If you draw off
too much, it can't heat it to the same high temperature. The modulation only
occurs if you draw less than it is capable of producing. It then turns down
the burner so that the water doesn't get too hot.
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