Quote:
Originally Posted by Ryanerickson
In 4th year plumbing they taught us that ro units should be hooked up directly to hot water supply apperntly it's more efficient I've always used cold
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Interesting. Filmtec website says maximum operating temperature is 45C (113F), and looking at a bunch of other brands it looks like 42-45C is pretty standard. Our hot water is a lot hotter than 45C. My understanding is that high temperatures will melt TFC membranes.
I certainly wouldn't want to pay the electric charge to heat all that water either. I just want a trickle of hot water...
