Description Manuals Videos Articles Clemco Part # 22620 is the Cleanout Cover Plate for the Manual Quantum Valve (MQV). Manual Related Parts (1) Parts Included (1) Clemco Manual Quantum Valve, MQV #22845 $398.67 462 Customers Also Viewed Service Kit, MQV Metering Segment #22854 $25.71 Clemco Manual Quantum Valve, MQV #22845 $398.67 Clemco 1 inch Abrasive trap, Complete #02011 $117.37