Question Booster Pump Pressure Gauge Not Constant

AsleepInYorkshire

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I've connected a booster pump up to my daughters RODI system. I've also added a pressure gauge. When the pump is off the gauge is steady at 30. The dial does not move at all.

When I turn the pump on the dial goes up to "around" 110. But it wobbles between 70 & 120 quite vigorously. I've added a flush kit and valve which I use to bring the pressure down to 80.

I'm not sure the pressure gauge should be moving as vigorously as it is and I'm wondering if the booster pump is faulty.

Anyone got any thoughts please?

Thank you

AiYn'U
 

richiep

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By the sounds of it you may have fitted a pressure gauge thats not liquid filled,
Liquid filled gauges dampem this.
 

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