I'm breathing a huge sigh of relief this morning. ~5 m of copper is easy for me to do. All the way back to the tank, much more difficult.
Quote:
Originally Posted by Mikesolar
...the higher the loss numbers, the lower the stagnation temperature, or the lower the maximum collector temp will be with no fluid flow at 1000w/m2 of sun shine.
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I'd like to understand the above better though. Would it apply to a drain back system? I'd have thought no fluid flow would equal no fluid in the collector. A call for heat would then flood the collector with relatively cooler water and the collector temp would instantly drop before any water made it out the return line.
There's so much to know, it keeps it interesting. I hope other DIY'ers stumble on this information early enough in their process to make a difference. It's like driving though. A person doesn't really learn until they've already got the license and are in the thick of it.
Thanks Mikesolar.