part 2820480 O-ring Ø 52,07x2,62 Annovi Reverberi code 2820480 Details Annovi Reverberi number2820480 DescriptionO-ring Ø 52,07x2,62 ItalianGuarnizione OR Ø 52,07x2,62Qty per pump3 Also comes in KIT 42159 Water seal kit, Ø20 mm Fits these pumps Annovi Reverberi RTP 3 RTP 30.500 N APRTP 30.600 N APRTP 38.500 N AP