If you hook up to the water connection and switch the lever to tank fill you have to use a pump. There's a pressure check valve which prohibits gravity fill. You'll have to switch your valving around and use your water pump to fill your water tank.
Chris & Lana Branch
2016, Jayco Eagle HT 28.5 RSTS
2017 Dodge Ram 2500, Laramie Longhorn, 4x4 Crewcab, 6.4L Hemi, 6' 4" Box, 3.73 Rear End, Dodge Air Bag System, Pullrite 16K, 2700 Hitch
Navy Veterian 🇺🇸 - Retired Nurse 💉