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Why is the gauge not reading 0 psi when the pump is off and the dampener is depressurized?

April 26, 2017dampener depressurized gauge PSI pump Reading

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Why is the gauge not reading 0 psi when the pump is off and the dampener is depressurized?

1 Answer

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The gauge has probably been damaged by momentary system over-pressurization. Check for a quick closing valve in the system which when closed can cause a pressure spike in excess of the maximum gauge pressure rating. CAUTION: Remove all pressure from the dampener AND pumping system before disassembly, removal or maintenance of the dampener.