Black oil in propane line?
I'm going to be installing a propane quick connect on our new to us fiver which to my surprise does not have one. The hard line I'm tapping into appears to be 1/2" gas pipe. I've found a convenie...
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the oil is pretty normal in threaded steel pipe, it is cutting oil and used when threading the pipe. unless you stand the pipes up vertical for a while after threading it will always be there, best is to install a sediment trap or drip leg as in the above post.
