This part fits: SARGON 24 (HYDROBLOCK GROUP) SARGON 30 (HYDROBLOCK GROUP) SARGON 35 (HYDROBLOCK GROUP) SARGON 20S (HYDROBLOCK GROUP) SARGON 24S (HYDROBLOCK GROUP) SARGON 30S (HYDROBLOCK GROUP) VISO+ 24 (HYDROBLOCK GROUP) CAPRIZ 25 (HYDROBLOCK GROUP) CAPRIZ 28 (HYDROBLOCK GROUP) CAPRIZ 25S (HYDROBLOCK GROUP) CAPRIZ 28S (HYDROBLOCK GROUP) HYDROLINE B24 (HYDROBLOCK GROUP) SOLARIS 24PC (HYDROBLOCK GROUP) SOLARIS 24PC (BURNER GROUP) SOLARIS 30PC (HYDROBLOCK GROUP) SOLARIS 30PC (BURNER GROUP) SOLARIS 24PCS (HYDROBLOCK GROUP) SOLARIS 24PCS (BURNER GROUP) SOLARIS 30PCS (HYDROBLOCK GROUP) SOLARIS 30PCS (BURNER GROUP) COMPACT S20S (HYDROBLOCK GROUP) COMPACT S24S (HYDROBLOCK GROUP) COMPACT S30S (HYDROBLOCK GROUP) COMPACT S24 (HYDROBLOCK GROUP) COMPACT S30 (HYDROBLOCK GROUP) CAPRIZ C24 (HYDROBLOCK GROUP) CAPRIZ C28 (HYDROBLOCK GROUP) VIZO 24 (HYDROBLOCK GROUP) STAR24 (HYDROBLOCK GROUP) IG24 (GAS VALVE)