service kit: water seals KIT 42332 Water seal kit, Ø15 mm Annovi Reverberi code 42332 In the kit Part numberDescriptionPosition 1781510Gasket7 1781530Piston guide31 770260O-ring32 1781500Gasket33 Fits these pumps Annovi Reverberi XHW 2 XHW 08.15 NXHW 11.17 N