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Master space heater cutting out


I have a master space heater (small 20kW) model. It was running fine until a week or so ago. It started to cut our after a five minutes, then three, then one and now after a few seconds. There is no thermostat cut off on this model. It has a photo cell cut off, which sits at the back of an inch and half long rubber tube. The photocell looks perfectly clean, and I have not touched it. The only thing that has changed is new fuel. I bought a 25 litre can of heater fuel which is basically diesel wiht a 61C flashpoint. Any ideas folks?

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Last time i had problems with one of these doing a similar thing ,and this was the arc that ignites the fuel .the carbon rods that arc across to ignite the fuel,used to run them on red diesel so i think fuel is ok ,so either the carbon rods need adjusting closer together or the high tension coil is playing up .One or the other if not both things can cause this type of heater to play up,same principle as my steam cleaner which i fixed with a length of metal car brake pipe to replace one of the carbon rods that was burnt out

Posted on Dec 12, 2009


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