What are these drains/vents?
They are the overflow/vent tubes from the fresh water tank. When water starts flowing from them you know the fresh water tank is full. One is supposed to be a vent tube to prevent suction as the pump draws water from the tank.
2016 RAM 3500 DRW 4x4 LB LoneStar Edition, w/Timbrens, Andersen Ultimate 2, Swift Hitch SH04 WiFi Backup/Rear View Camera
2018 Chaparral 360IBL w/TST-507 TPMS, Furrion Wireless Observation System, Progressive EMS-HW50C
2006 RAM 3500 DRW LoneStar Edition
2011 Starcraft 392BHU w/Andersen No-Sway hitch