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Combi boiler

Posted: Thu Jun 11, 2020 6:59 pm
by Bayardmm
My combi boiler has started to heat tap water just when sitting idle, resulting in seriously hot water when the hot tap is turned on. On examination the temperature is 80 degrees, considering the system should be limited to 60.
Anyone have any suggestions.

Re: Combi boiler

Posted: Sun Jun 14, 2020 10:22 am
by ericmark
Get some one in to look at it, not a DIY job.