Waters ACQUITY UPLC Operator's, Overview And Maintenance Manual page 76

Four-column configuration in a single CM-Aux (50-mm columns), with
inlet switching-valve on the right-hand side:
Four and six column configuration plumbing connection details:
From
CM-A inlet
valve, port B
CM-A inlet
a
valve, port W
CM-A inlet
valve, port 1
72
Outlet
switching
valve
Column
APH
position 1
Column manager
Column
APH
position 3
Sample manager
Length
To
(inches)
CM-A outlet N/A
valve, port B
Solvent N/A
manager front
drip tray
waste port
Column 1 12.5
inlet
Inlet
switching
valve
Column
position 2
Column
position 4
Drip tray with
leak detector
Part number
Stainless steel
430002725
(bypass tubing,
.005-inch ID)
430002727
(waste tubing,
.010-inch ID)
279002002, APH
(reorder part
number
205000730)
APH
APH
Injector
valve
MP35N
(H-Class Bio)
430002779
430002727
279002003
(reorder part
number
205000756)