7  Liter Pump   Individual  Parts Description Code  # Motor, 24 VDC, 7 liter 020937 Pump head, front, clear 038888 Pump head, rear, clear 038887 Roller assembly, clear 036018 Pump  Tube   Description   ID  (inch)   ID  (mm) OD  (inch) OD  (mm) Code  # Silicone, 27" long 0.625 15.87 1.155 29.3 020951