I am trying to decide between Watts Reverse Osmosis system
versus Watts Zero Waste RO system, sold by Sams Club and Costco
respectively (links below). Which one you recommend? Is it easy
to disconnect them after one year and move to another place?

http://www.samsclub.com/shopping/nav...=5&item=165779

http://www.costco.com/Browse/Product...&browse=& s=1