I checked with Valterra just now and they confirmed that all of the Valterra High Flow Water Regulator # A01-1114VP that you referenced is stainless steel including the spring so it will be basically corrosion resistant. view full answer...
The Flow Max RV Fresh Water Pump - 12 Volt - 3.0 Gallons Per Minute - 50 PSI # LC689052 comes with two swivel high pressure fittings and a bug strainer.
It is 8 inches long, 5.25 inches wide and 5 inches tall. view full answer...