What does the colour of your boiler flame mean?

The colour of the flame is indicative of the state of your boiler, so let’s have a look at what the different colours mean and the action that should be taken. Image Credit A blue flame A healthy boiler will have a blue flame, which means that it is getting enough air supply for it to burn or combust at the right temperature. Think back to your school science lessons and the triangle of heat,…
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