Quote:
Originally posted by itZme
Where did you hear that? The club had a professional filtration expert out about a year ago to do a speech at a meeting. He stated that they preheat the water going into the RO units to get optimal production. It should be 70-77 degrees if possible. If the water is cooler it will have a higher rejection rate as it makes the pores on the RO membrane close up tighter.
I have a 100ft coil of tubing inside my sump before the RO unit to help bring the input temp up from the underground temps and it also helps cool the tank water.
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Interesting....guess I should go to more meetings. Since mine's hooked up to my sink, I wonder if the cost of heating the water to decrease the rejection rate is worth wasting less water? I'm guessing not. Kevin has a nice way of making it work though!