My boiler's gas burner tube is catching fire, how do I fix this?

by virtualxtc   Last Updated February 13, 2018 10:21 AM

About 1 or 2 times a week I hear a roaring flame when my boiler tuns on. I've check on it and it appears one of the boiler gas burner tubes is internally on fire (see video I took of it).

  • What is the flame able to flow back like this?
  • How do I fix this so the burner tube stops burning internally?

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