Pig tail propane tank connector hoses.
Walked by my trailer today and smelled propane. Checked and found both pig tail hoses from my propane tanks on the hitch were leaking. Both were leaking at the connections where the hoses thread into ...
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They leak at the crimp joint where it transitions to the threads. Some designs are better than others, but if they seem to swivel easily, they will be leakers right out of the box.
