I already have unused 40 G Hot Water Tank, 8-yr cheapo Lowe's porcelain lined.
Keeping it at 90-100*F will increase HP Eff. (which is why I started this thread)
I have everything on hand except P6, which could be a low heat pump like Taco 006.
Last edited by buffalobillpatrick; 04-13-14 at 03:11 PM..
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