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Hi, I was looking for some help with a couple of problems with my central heating system. I have recently moved into a house that has Potterton Promax HE - it was installed in 2003. The main problem is noise on the system. This happens when the system gets hot - there is a humming noise as...

Hi I have a Concord WCF boiler with a timer control unit built-in. This timer has recently stopped turning although the switches still work so the heater/water can still be switched on and off manually, Could someone advise the best replacement control unit for this boiler? I spoke...