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Hi there, I am after advice on our potterton puma 80. Last time I had a problem with hot water and changed the flow switch and all now ok. This time its the central heating that won't work. The Hot water does work and the boiler fires up no problem and the pump spreads the excess heat...

Hi, after some advice. My Potterton puma 80 has this afternoon decided to play up. We just got back from Hols yesterday and the pilot light had gone out, so I relit it as per instructions and all appeared aok. This afternoon the boiler started making strange noises and then the safety valve let...