AR Annovi Reverberi BMH50 Diaphragm Pump Control Unit 52.8 GPM 725 PSI by | Jul 31, 2026About Annovi Reverberi. Max GPM 52.8. 140°F – Max Water Temp | 35 mm – Suction | 1″ – Outlet. Outlet (in) 1/2″. Max Bar 50.