service kit: water seals KIT 42843 Water seal kit, Ø30 mm Annovi Reverberi code 42843 In the kit Part numberDescriptionPosition 3660460Sealing system15 3660480Water seal16 3660470Ring17 3660490Gasket19 3660500Ring20 3660550Ring20 1320360O-ring22 Fits these pumps Annovi Reverberi RTX 3 RTX 70.150 NRTX 70.200 NRTX 85.150 N