How is this system? I have a 13500 gal pool and this looks like a breeze to install. You hang the business end on the return line on the edge of the pool. You plug the control unit into the 120 power, then plug your pump into it. It then acts as your timer.
At $423 it looks good to me.
http://www.ebay.com/itm/ws/eBayISAPI.dl ... rid=229466