Koester Associates, Inc. (KAI) products

From replacement components and efficiency upgrades to complete turnkey design and installation, Koester has the expertise in water and wastewater treatment to protect your business, reduce operating costs, increase efficiency, support long-term business strategies, and develop sustainable service models.

At Koester, we maintain an inventory and have access to a comprehensive range of OEM and compatible parts. From standard part orders to the most challenging requests, we believe that every parts order is critical to you and your operations.

Equipment ages, becomes obsolete, or new and improved technology comes along. Koester has been involved with retrofitting equipment for more than half a century and is ready to assist you to meet your specific needs.