When this type of problem happens, you most likely need to take apart your heater and clean it well. If it still doesn't work after that, blow it out with an air compressor. If then it still isn't working, I suggest you sell that heater and buy a new one.
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When this type of problem happens, you most likely need to take apart your heater and clean it well. If it still doesn't work after that, blow it out with an air compressor. If then it still isn't working, I suggest you sell that heater and buy a new one.