Back pressure self priming valve for the Bezzera coffee machine models:
BZ07 (201407-Rev.00), BZ07 (201704-Rev.02), BZ07 (Rev.04), BZ09 (201704-Rev.01), BZ10 (201704-Rev.01), BZ10 (201704-Rev.03), BZ10 (Rev.00), BZ13 (201704-Rev.01), BZ13 (201704-Rev.03), HOBBY (201407-Rev.00), HOBBY-01 (Rev.00), UNICA (201407-Rev.00)