with flow meter (3 l/min), dimension 1", consisting of highly heat-stabilized special plastic, return distributor with thermostatic inserts (M 28 x 1.5), supply distributor with flow meters (3 l / min), venting and draining with hose connection, flat sealing distributor connection with freely rotating union nut G 1 1/4 ", distributor outlets with G ¾ Euro-cone connection, including retaining bracket.