Posted by Tom Stanton on December 08, 2001 at 22:26:17:
In Reply to: #2 oil posted by mike on December 04, 2001 at 15:01:45:
That is a tough one to answer. There are a lot of variables to take into account, such as a low emission (NOx) burner, excessive or insufficient excess air etc. I assume you have a firetube boiler in which case it might be between 1800 deg F and 2500 deg. F