Why Does My Boiler Make A Banging Noise When Firing Explore further
Well, it depends: If your boiler makes a single BANG only when it fires up, it's most likely due to delayed ignition. If your boiler makes recurring banging, popping noises as it operates, it's most likely due to ' kettling '. We'll explain both of these problems, what causes them and how to stop the banging noises.
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