Filling a hidden fresh water tank
On the past RV's I've filled there's a separate tank filler and city water hookups. On our current Jayco it's all in one just change a few valves and open one of the faucets. The problem is when is it...
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my old Shasta 23 foot TT had a bad design in the over flow tube. I had to have a piece of tubing to place in the over flow (after removing the bug screen)and blow into or suck out the air that was trapped in the tank or the fill pipe would surge out at least 1/3 rd of the water. Sounds like a plugged vent or a valve to a vent that might need to be opened. Just a thought.
