Reverse Osmosis 2A, Subpart a - Whole House Adaptation

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This is the second part (made itself of 2 parts subpart a and b) on reverse osmosis. The fist part in the series covers theory and the system components that are actually shown in part 2. They are shown but not discussed in detail. The system isnt very professional in appearance mainly because it started out as a simple concept of building a CPVC dedicated piping system into the house as it was being built to serve each vanity in the house, the kitchen sink and refrigerator. The concept was to be driven by a conventional 3-stage under-sink RO system with a much larger storage tank. The only additional original modification was to add a large whole-house carbon filter for additional finishing. The system worked but at lower than satisfactory volumes therefor a low-volume/high-pressure diaphragm pump was added. This improved production but ice cubes were still smaller and tea jugs and coffee pots took longer to fill than we liked so a permeate pump was added. Finally, after a number of years the under-sink 3-stage unit failed and was replaced with a simple 75 GPD membrane and housing.