Specifications Width 8.000 (cm) Height 5.000 (cm) Depth 5.500 (cm) Spring Material Polypropylene Max Working Pressure (barg) 40 Minimum Level 5 Outside Ø (mm) x Female Thread (in) 40 × ½ Pipe Outside Ø (mm) 40 - 42 Pressure 8.5 Size 1.1/2"-1/2