Dick wrote:
I am interested in buying a zero loss reverse osmosis water filter for
our kitchen. Watts seems to be the only one who makes one.

http://www.costco.com/Browse/Product...Path=103*4715*

Or you could adapt any of the RO systems to dump the brine into the hot
water supply, as Watts does.
http://www.pure-earth.com/PDF/Zero-W...etrofit-WP.pdf