I am total pool newbie, bought a house with a dead chloromatic 3 cell in it. The system itself is 7 years old. All the stores in my town are pushing the Hayward Aquarite except one store who is pushing the pentair intellichlor. The Pentair is about $1650.00 installed and the Hayward is about $1525.00 installed. What are the differences in these units and what are all of you guys out there using? My pool is 20X40 if that makes a difference. My salt cell has been down for some time and i just shocked and vacuumed it today, it is filling as we speak so I probably need some quick advice, thanks for all the help and sorry if this was covered in a previous thread, if it was i missed it. Thanks again for your time.