I have a Sime 100e boiler which has recently had the divertor valve changed. It has now started blowing the fuse when I run the hot water tap. I know that the safety thermostat got slightly wet during the job - is this the cause of the fault?
Could be you have a leak caused by the original repair, sometimes disturbing connections causes others to fail. In any case a small amount of water will have evapourated by now so contact the repairer, if it's not a leak from the diverter valve you may have to pay some more, though a decent fitter may do it free under goodwill.
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