Quote:
Originally Posted by Mikesolar
I don't think ours is that much dirtier than yours but the mixture is different. Warmer countries have more butane than we would. We all have some moisture in propane or there would be no use for condensing boilers.
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The moisture exploited in condensing boilers comes from combustion. Burning propane = 3 CO2 + 4 H2O. Unless the propane is contaminated, it contains 25 ppm or less of moisture. More than this amount freezes up the valves in the pipeline and filling stations.