Proper use of National inline eductor

Fairfax County Company 26 "Guardians of the Slab" demonstrate the proper use of the National LP9M inline eductor flowing finished foam from JS-10 and Akron Assault nozzles.

[@DestroyerGolf]

Why does the eductor need to be 50 feet away from the pump panel?

[@katiesnyder4904]

It prevents turbulence.