No matter whether you buy the Dual Valve Diluter or the Dual Valve Dispenser, as they both use the same dual syringe pump and universal valves, one can be converted to the other by using the available plugs and connnecting tubing.
You have essentially 2 instruments in one.

Innovative fluid logic enables the same Universal Valve to be used in all MICROLAB 600 dispensing and diluting applications. Interchange the valve plugs and tubing to achieve the following configurations in a matter of minutes.

Valve Plumbing based on instrument configuration