Posted 1/22/2014 09:04 (#3625257 - in reply to #3625197) Subject: Re: Water softener
The twin tank unit offer some real advantages. When we built 13 years ago, we did a lot of research, and the CSI units were the best. one inch head was a must for us. Has not needed anything. You get what you pay for. the cheaper units do not last as long.