Well I too have the "mystery" hose on our new 3400RL. So after reading the previous post I called my dealer's service manager and his response was that it was a pressure hose for washing off the side of the coach. Go figure..... I have the quick disconnect fitting that fastens to the hot and cold water valves. But I put a regular hose nozzle on the end and see a use for washing stuff off outside instead of taking it in to the sink if your were dry camping.
Maybe someone should call Keystone and get the "official" description and use of the "Blue Coiled Hose". Scary isn't it. What lurks behind your blue coiled hose?
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