Assembly comprising a valve unit , an actuator unit and a mounting clip to mount the actuator unit to the valve unit , the valve unit having a valve unit housing and a flange formed at the valve unit housing , the actuator unit having an actuator unit housing and a shoulder formed at the actuator unit housing , the mounting clip has first sections positioned in first level , wherein said first sections are straight and run parallel to each other within said first level , and wherein said first sections are configured to be inserted into grooves provided at the shoulder of the actuator unit , characterized in that the mounting clip has a second section positioned in a second level , wherein said second section is U-shaped, and wherein said second section is configured to be inserted into a recess provided at the flange of the valve unit , the mounting clip has third sections extending between each of said first sections and the second section , wherein each of said third sections has a first subsections being bent, a second subsection being bent and a third subsection being straight or angled, wherein the first subsections of the third sections extend between the first sections and the third subsections of the third sections , wherein the second subsections of the third sections extend between the second section and the third subsections of the third sections . the valve unit having a valve unit housing and a flange formed at the valve unit housing , the actuator unit having an actuator unit housing and a shoulder formed at the actuator unit housing , the mounting clip has first sections positioned in first level , wherein said first sections are straight and run parallel to each other within said first level , and wherein said first sections are configured to be inserted into grooves provided at the shoulder of the actuator unit , wherein said first sections are straight and run parallel to each other within said first level , and wherein said first sections are configured to be inserted into grooves provided at the shoulder of the actuator unit , characterized in that the mounting clip has a second section positioned in a second level , wherein said second section is U-shaped, and wherein said second section is configured to be inserted into a recess provided at the flange of the valve unit , the mounting clip has third sections extending between each of said first sections and the second section , wherein each of said third sections has a first subsections being bent, a second subsection being bent and a third subsection being straight or angled, wherein the first subsections of the third sections extend between the first sections and the third subsections of the third sections , wherein the second subsections of the third sections extend between the second section and the third subsections of the third sections . wherein each of said third sections has a first subsections being bent, a second subsection being bent and a third subsection being straight or angled, wherein the first subsections of the third sections extend between the first sections and the third subsections of the third sections , wherein the second subsections of the third sections extend between the second section and the third subsections of the third sections . <EOS>