Quote:
Originally Posted by CFrance
If you are having a whole-house filter installed, why do you need one on the drinking water faucet?
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Because a water softener doesn't purify water it just softens it. A Reverse Osmosis (R/O) system under the sink purifies the water for drinking. If you ever watch a plumber change out a hot water heater you will see it takes two men to carry out the old water heater but only one man to carry the new one in.