I began smelling propane in the house. The range was narrowed down as the culprit. I used a digital testing device to determine the propane was leaking at the purge valve on the regulator just beneath the red cap. All other connection points were free of leaks.
A new regulator was purchased and installed. Again, no leaks except for just beneath red cap. The insert has been flipped to the LP side as well.
What other reasons would there be for the old and new regulator leaking at this specific point only?
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