Australian plug on 220v pump
In North America (+Colombia, Ecuador) we use 240v center-tapped for 120V on either side.  In the rest of the world, they use 220-240V straight, no center tap. 

For us, conventional household plug/socket is the 120V, and it has a name, NEMA 5. 

There's also plug/socket  which supports 240V only, omitting the center tap.   This is called NEMA 6.  It looks nearly identical, but is keyed differently so it can't accidentally be plugged into a NEMA 5.  

He is saying use a NEMA 6 plug. 

NEMA 6 plugs come in several styles rated for 15 amps, 20A or 30A.  Use one that is correct for the power draw of your appliance, and the manufacturer can tell you which one they recommend, or search/ask a new question. If a 15A plug is correct, but you have a 30A socket conveniently available, do not put a 30A plug on it.  If you have that problem, search/ask a new question. 

There are also other plug/sockets intended for devices which need both 120V and 240V, and provide the center tap (neutral) as well.  As long as they provide ground (NEMA 14), you could use one of those instead, or you could use NEMA 6 and an adapter cable. 

If your house does not have any NEMA 6 sockets, that is fixable, ask a new question.