Back pressure self priming valve for the VIBIEMME coffee machine models:
DOMOBAR-JUNIOR-2B, DOMOBAR-JUNIOR-HX, DOMOBAR-SUPER, DOMOBAR-SUPER-ELETTRONICA-2B, DOMOBAR-SUPER-ELETTRONICA-HX, DOMOBAR-SUPER-MANUALE-2B, DOMOBAR-SUPER-MANUALE-HX