You do NOT want to clean a water based paint with Lacquer thinner it will turn it to jello !!!! ( and have a bigger mess down the road )
If you dont have the proper water cleaning solvent to clean with you can use an aerosol window cleaner in a bind , or use warm water from the tap , plus make sure everything is stainless steel as water borne will pit the crap out of aluminum !
I recommend tearing it down after every use as water based paints seem to cling to the needle & fluid nozzle more then solvent based paints .
I have been spraying Aquabase Plus for a year now and my dedicated Iwata base gun looks like its 5 years old and is only 1 year old and my 4 Iwata solvent clear & sealer guns that are 4-5 years old look new !!

Water borne seems to be a bit more caustic IMO as the Air caps on these guns are aluminum and the inside water borne air cap is very pitted and it gets tore down after every spray and is used 3-6 times a day !!

So for what its worth

SprayTech