AR Annovi Reverberi VDR50 Diaphragm Pump Control Unit 34.3 GPM 725 PSI by | Jul 31, 2026About Annovi Reverberi. Max GPM 34.3. 140°F – Max Water Temp | 35 mm – Suction | 1″ – Outlet. Outlet (in) 3/8″. Max Bar 50.