Converting vented gas logs to vent free?

What does it take to do a conversion from vented to vent-free? I noticed that I can remove the glass and facia from the insert unit. Is it just a matter or replacing the fluted gas tube? What is the real difference in design?
Scot
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The entire log/burner assembly must be changed, then block the chimney. The fire in the vent-free design burns hot enough so it doesn't give off Carbon Monoxide - - get a detector anyway, if only for peace of mind.

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You replace the whole unit and make sure you have one that has a safety shut off for CO.
--
Joseph E. Meehan

26 + 6 = 1 It's Irish Math
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Sorry, but there are no interchangeable parts between vented and vent free gas logs. Both the burner AND the logs are different.
--
John Galbreath Jr.
http://www.FireLogs.com
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