Size 2 (Size 2 N.C.) Fluid 2 (For Water) Body material/Port size/Orifice diameter A (C37 (Brass) - 1:1/8, 2:1/4, 3:1/4 - 1:2, 2:4, 3:5) Voltage/Electrical entry Z (Other voltages and electrical options) Special Voltage 3E (230 VAC - DIN terminal without Connector) Other Options A (G) Bracket Interchangeable None