In this schematic the "Clip B12,tube" is used most often.
The component with the lowest price in the SOLENOID VALVE schematic is the Bolt,hex.,5x12.
Parts such as the Solenoid Valve: Stay,sol Valve, Tube,7.3x38, Nut,hex.,5mm, Washer,spring 5mm are included in the Nps50 Zoomer 2008 (8) Korea Solenoid Valve parts fiche.