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E.C. IA | I have a 4" liquid filled pressure gauge for line pressure. 0-160 psi. This afternoon the liquid developed a smokey grey color making it harder for these old eyes to see. Only thing out of the ordinary is one of the two tiny screws below the needle has fallen out. (Saw screw at the bottom of the gauge, in with the fluid) Any ideas what would discolor the fluid? Bar has a ground driven John Blue pump if that makes any difference. | |
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NH 3 pressure gauge ?
