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How much can this power burner be down fired?
Does anyone know if it is possible to down fire this burner and by how much? I did find a local contractor who said he could downfire it but he was only able to say it would be less. He also does steam heating but I was only asking him to downfire the boiler. When I mentioned to him I would like to operate this Webster system in vapor without having the burner rapid cycle, he said I probably want to operate that system at 5lbs. that's what he does. I didn't know what to say after that and now I'm wondering if he will actually be able to do the job of downfiring.