Robert and Jim: The last schematic I saw indicates that the secondary side of the heat ex is the secondary/mix loop. I didn't see a tempering...
I use a Tekmar 356 on my heat exchanger feed pump. Its the ticket if your doing radiant. It's controlled by the mix temp on the house side of the...
Here's some interesting info. (not for a propane tank with nozzels) www.iea-shc.org/publications/downloads/task32-d2.pdf
http://www.freecalc.com/fricdia.htm
I have had my Jetstream up and runing for a couple weeks now. I burn beetle kill spruce i it. I don't have my storage tanks hooked up yet but the...
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