Mystery water line
I recently picked up a 2004 Forest River Sierra Sport TH. While I was getting things ready for a first outing I connected water to the city water connection and turned it on, followed by a mad dash t...
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Not sure if this will help, but I have a 2012 Forest River XLR. The water inlets on the outside have a plastic knob to turn to fill fresh tank or use city water, same hose connection. You always need pressurized water to fill the fresh tank. Water line goes inside, where the water heater sits right by the outside wall. There is a connection behind it that goes to a tee fitting between the fresh tank and the 12 volt pump. There is also a 3 way fitting mounted on the pump with another line that goes back out to a fill connection for antifreeze fill.
