set of overhauling kit for holding magnet valve to ep uint ev.207.3vt consisting of 5 items sno. description part no. qty./kit 1) sealing ring a 30x36 -- din 7603 -- 2 2) k ring -- n890/20.1 -- 2 3) o ring 16x2.5 b -- din 3770 -- 2 4) filter -- 4a