Because I had the other one leak a short time ago, I can tell when the gauge spins easily. These teeny o rings flatten out easily I have extras. When l get this done I have a clean bucket of water to submerge it in to test everything.
Huben k1 Air leak at front gauge, cannot get the cap off. It is held on with balls and springs inside, Appears they want us to replace the whole thing ! Any one ?