From: default@defaulter.net   
      
   On Sat, 26 Jan 2008 13:20:15 -0000, "Coyoteboy"   
    wrote:   
      
   >   
   >"default"  wrote in message   
   >news:fecno3hcjkbh02jf3g0i9afmispa4qqorb@4ax.com...   
   >> I didn't use the mantle the flame burns blue and   
   >> it doesn't need venting - produces CO2.   
   >   
   >Id hope you do vent it, you wouldnt last long in an unvented space with   
   >anything eating up the oxygen.   
   >   
   True.  Un vented heaters, as a rule, produce far more heat than the   
   Oxygen consumed so the amount of venting is minimal, the heat would be   
   uncomfortable before breathing suffered - but in something like a   
   truck body that is well sealed it would be something to watch.   
      
   It wouldn't do to fall asleep without a vent.   
      
   I'd crack open a foot vent and leave one window cracked 1/2" or so.   
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