Check the listing for details. Circuit board for Seko Tekna dosing pump. Condition: Used. Listed at 149.99 USD. The circuit board for Seko Tekna dosing pump is a crucial component in controlling the flow of fluids in a precise and accurate manner. This product is designed specifically for use with Seko Tekna dosing pumps, ensuring compatibility and reliability. With its advanced technology and durable construction, this circuit board is essential for maintaining consistent performance and efficiency in a variety of industrial and commercial applications.