Paramount Fitness PCC2000 Owner's Manual page 11

4-port module alignment
On the 4-port module the ports on top of the module that are attached
together by a connector must be aligned over the half of the base that has
only one port.
6-port module alignment
The 6-port module can be place in any position as long as the alignment pins
line up and the module is seated securely in the valve body.
*US notation of 2" is equivalent to Australian 50 mm.
4 PORT // MODULE, BASE
Found on 9 port systems - feeds 6 port valve
Module Part# 004-302-4406-00
6 PORT // MODULE, BASE
Module Part# 004-302-4408-00
11
Base Part# 005-302-4018-03 (2")
005-302-4020-03 (63mm)
Base Part# 005-302-4032-03 (2")
005-302-4030-03 (1½")
005-302-4038-03 (63mm)