Quote:
Originally Posted by notfarnow
Exactly... Biodiesel is for bed wetters! Seriously, I'm not quite sure I have my head around your concept. Part of the problem is I've never used a check valve, so I'm not entirely sure what I should be looking for.
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When you're running on WVO, the check valve in the bypass line stays closed. When you backflush with diesel, the check valve at the FP closes, and the check valve in the bypass line opens. In order for this to work, the pressure of the backflush diesel must be higher than the pressure from the veggie FP.
I don't know if a check valve with bypass even exists.