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hi i have a ravenheat csi 85 AT boiler i get hot water but no central heating,on the diverter valve there is a switch i replaced it still did not work untill i pressed the button on it then heating came on untill i took my finger off button then it stopped again. According to the manual its...

Hi Guys/Gals The boiler is approx 4 to 5 years old Bit of a strange one for you heating works fine, hot water however works fine too but as soon as you mix the hot water with the cold water the boiler turns off but then as soon as you turn the cold water off the boiler fires up for hot...

Hi Peeps Need some advice i have the above boiler and it has suddenly decided to stop working,Looked at the manual no fault code is showing. It attempts to fire fire up then stops and so on and then the circuit board starts clicking again and again and just keeps doing that till you turn...

Hi Need some help please as no plumber's can seem to work out what's wrong.. the boiler over the few days has developed a tendancy to switch on and off as it please's.. Also i noticed that when hot water reaches the tap it knocks off? please help as its costing alot of money to call...