Located in Ashland, Ohio, where it was founded in 1995, CSI Water Treatment Systems is a division of Chandler Systems, Inc., a family of companies with decades of experience bringing new and innovative technologies and products to the water treatment industry.
Our CSI Water team is dedicated to improving water quality through the development of water treatment products, design engineering services and educational programs to provide the utmost in quality and support for our valued customers.
On February 29th, 1980, Water Soft, Inc. was founded by brothers Jim and Bill Chandler of Ashland, Ohio.
On March 2, 1988, Water Soft was purchased by Amtrol Inc. Over 30 years prior to the purchase of Water Soft, Amtrol introduced the first pre-pressurized diaphragm expansion tank to the water systems industry. At that time Amtrol was the leading manufacturer of water systems tanks in the world and was looking to enter into water treatment.
In 1993 Bill Chandler founded Chandler Systems Inc., a new venture focusing on the manufacture of electrical control systems for the water & wastewater markets.
On September 1, 1995, Bill Chandler formally began CSI Water Treatment Systems, a division of Chandler Systems Inc. As one of the co-founders of Water Soft Inc., Bill brought his experience and innovation to CSI that built one of the most successful water treatment companies in the industry.
CSI introduced their first propriety product, the ReactR™, an advanced innovation in the treatment of water using a natural aeration process.
The Signature Series™, Chandler Systems first proprietary control valve, was introduced to the market.
Almost 20 years later, in June of 2008, Bill Chandler acquired the WaterSoft division back from Amtrol and moved production back to Ashland.
Innovation continues as the Signature Series 2™ control valve is introduced.
The Sidekick™ Single Tank Aeration Filter with Ozone Complete featuring the Industry’s first single tank aeration filter with the control valve separated from the filter tank is added to our line.
We are pleased to announce that the NEW Legacy View Bluetooth Control Valves will begin production at Chandler Systems. And...there is more to come.