Propane High Pressure Regulator Leak.
On my Jayco 5th wheel with an auto change regulator and both tanks open, what is there to prevent the full tank filling the less than full tank. I just changed my auto regulator since the old one was ...
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I had a problem once and found out there is a check valve where the hose goes into the change over regulator. There is a brass fitting that is between the hose and the change over regulator on my unit.
