-=> Jay Emrie said to Mike Ross
 -=> about "FURNACE FAN?" on 12-26-02  09:56.....

 JE> Therefore not many blanket statements as to flues/chimneys
 JE> etc. can apply to heating or cooling systems. Wood
 JE> burning fireplaces yes, but central heating - no. Even many
 JE> of our so called fireplaces have artificial ceramic logs
 JE> that are heated by natural gas!

The only blanket statement is that the gases in the flue have to
hot enough while the flame is on, so you don't get a reverse flow
down the flue, which could fill your house with CO2 and probably
monoxide as well.

From Greg Mayman, in beautiful Adelaide, South Australia

... Don't salt other people's food. - Bulgarian saying
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