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Suddenly our ECOPlus 837 has stopped heating the radiators and hot water. It sounds like everything is working however there is no flame indicator. I have reset it numerous time however it's still not working. Pressing the i button it gives me a code of S.42 Is there anything I can try...

Hi, We have had the CM927/BDR91 running fine with our Vaillant ecoTEC Plus 837 boiler since newly fitted 3 years ago. For some reason over the last couple of months we have noticed that the boiler is not switching the heating on or off when the CM927 sends the signal to the relay box. The...

We have had issues with our Performa 28 in the past and now another has reared it's ugly head. This time it's to do with our hot water or lack of! Wether it's running the shower, bath or sink the boiler will fire up and heat the water to maximum and then just switch off after a few seconds...

Our 28i is becoming a real pain in the bum, the central heating works fine and when it's on we can run the hot water tap and get hot water. The problem is when the central heating is not on and we turn the hot water tap on we only get luc warm water, we have to go up and tap the modulator to...

Hi, I need to see if anyone on this forum can help with my problem. Our Performa 28i keeps giving us a flame failure when set to Rads/Taps. We can stand there and reset it endless times but with the same result. After leaving it for a few hours sometimes it will stay alight but as soon...

Hi, I have a Potterton performa 28 which has stop changing over to heat the water up or even heating the water when set on tap :cry: If I put it on heating + tap the heating will work but as soon as I turn the hot water tap on the flame light goes out and I can't get any hot water. The...