This document specifies requirements and test methods for circulation systems and is applicable to equipment used in domestic swimming pools and designed for the circulation of water (introduction and/or extraction). This standard applies for swimming pools as defined in EN 16582-1 and shall be read in conjunction with it. This standard does not apply to - classified pools as specified in EN 15288; - domestic spas; - natural and nature like pools. NOTE For filtration systems see prEN 16713-1 and prEN 16713-3.