service kit: water seals KIT 42842 Water seal kit, Ø25 mm Annovi Reverberi code 42842 In the kit Part numberDescriptionPosition 2821210Sealing system15 2821250Sealing system19 1320360O-ring22 Fits these pumps Annovi Reverberi RTX 2 RTX 50.300RTX 60.300 N