I have a new 2016 Keystone Couger X-lite 21 RBS. The water hook up has one inlet with a valve. I turn the valve to tank when I want to fill up the on board tank. I can fill the tank when hooked to ...
Since your trailer already has a pump, there is no need to buy another one. I just did a simple modification and now can draw water in thru my city water inlet, and send it to the tank.
