service kit: valves KIT 42328 Valve kit Annovi Reverberi code 42328 In the kit Part numberDescriptionPosition 1389051Complete valve3 880833O-ring4 Fits these pumps Annovi Reverberi RHW 4 RHW 10.15 NRHW 13.12 NRHW 13.17 NRHW 15.15 N