Yes, that way you will know which hose to use for your drinking water. I recommend a pressure regulator since the water pressure at some campground could cause a leak in your system. I also use a water filter. That way I know I feel sure the drinking water is good.
2004 F150 SuperCrew Lariat, 5.4L, Max Towing, CIPA Towing Mirrows, Timbren
2006 Jay Flight, 31 BHDS
Reese Strait-Line Dual Cam