replaced H2O pump. now leaking anti-frz.. bad pump maybe how do i tell?? on 1992 Ford E-250

looking for troubleshooting options. much appreciated

Asked by for the 1992 Ford E-250
Get a cooling system pressure tester , apply 15Lbs. to system and see where it's leaking.
I still think we should be at least given the engine size. Might be a B&S!!!!