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Difference in HWR Gauge Pressure.

Hey fam,
Recently I observed the pressures on the Return line gauge aren't the same. One measures 45psi just before returning into the boiler and the other measures 16psi. Please what could be the explanation to this? Thanks


  • Larry Weingarten
    Larry Weingarten Member Posts: 3,331
    Hi, Could you give us more information about your system? Photos would be useful too. All of that would help eliminate wild guesswork. Thanks!

    Yours, Larry