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Vibration / Chatter On 3 PSI Gauge And Vaporstat.

My new gas boiler is in and my pro and I are trying to iron out the gremlins.

My Honeywell Vaporstat and 3 PSI Gauge ( Wika rear mount ), occasionally start to vibrate / chatter. The 30 PSI Gauge which is on the same pigtail just stays at zero as I expected it to. The chatter does not seem to affect operation so far, but it is a little unnerving. Has anyone any ideas as to why this is happening and what we can do to stop it?

Thanks for all of the help.


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