1) What sort of storage-tank temperatures are people achieving? I've read talk of 170 to 175 in some other posts but have only managed 162 F myself, after a half dozen fires. I'm hoping to reach 170 after I insulate the boiler-to-tank pipes (25 foot run, losing 6 to 8 degrees along the way.) Any other tricks out there? 2) Any consensus on how much to push the gasifier once the fan starts modulating? On the one hand, having the wood smolder between fan bursts seems inefficient, but on the other, once the boiler is hot, it seems a shame not to try to push the storage temp. as high as possible. 3) Any simple control method for preventing the boiler circulator from pulling heat back out of the storage tank as the fire goes out? In the case of the EKO-40, the circulator comes on at 60 C and stays on as long as the water temperature stays above 60 C. If the storage tank has been pushed to 72 C, the circ. will pump heat out of the tank for hours until either the fuel light come on or I remember to turn off the fan/power. Seems like there ought to be a better way.