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Thanks for the responses. It works just fine in CH.

Hi I've been having issues for some months with our RD532 boiler. 2 different engineers have been unsuccessful in diagnosing the fault. Here's what happens. When a hot tap is turned on the boiler fires up but very quickly over heats. The temperature gauge on the front the shoots straight up to...

I've got some more info on my ongoing problem. Maybe someone can offer advice. As mentioned before the new diverter valve did not help. I believe the water is being overheated and the boiler is shutting off. The dial on the boiler shows the water being heated up to at least 99, even with the...

RD 532

Hi I've been having an ongoing problem with our combo boiler. The hot water only works randomly. Most of the time there is no hot water. The heating seems to work ok. Occasionally a hot water demand from a tap will cause the rads to heat. We also get quite a violent banging from the pipework...