Hey everyone. I'm just getting starting making my own biodiesel and my main use will be heating my home and domestic hot water.
I'll get into more detail later about where the tank is and the challenges I'd be facing if I want to replace the current copper supply line.
What are your thoughts on the copper supply line and the biodiesel?
The copper line will react with the biodiesel and cause it to oxidize faster.
Not really a problem for a furnace. The issue is more likely to be the inside of the line itself. As the bio reacts, it leaves behind a thick gooey substance that will coat the inside of the copper line. It might be cleanable but I've never tried.
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The guy who set up the greenhouse boiler used copper (after I told him not to) but then I was able to convince them that Viton hose might be a better idea. We now have a Viton fuel line feeding "The Beast" .
If you can't get Viton at the local auto supply try these guys.
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Hey Paul, thanks for the reply. So its more a case of residue build up that eating through the lines? Makes sense. How think are we talking? Enough to clog the line?
Its a summer/winter set up so at least it always has flow daily through out the year. Not sure if that makes any difference for build up though.
Viton rocks, but its pricey. The issue I have is that its a long run...over 50 ft. I'm going to guess. My thoughts were to go with polyethylene (PEX) tubing. More economical and easy to get as well.
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