No mention of whether this is a direct-reading guage. If it's an electrical device, could be your problem. My 2nd question would be... any sort of pressure relief valve in the system that could be acting up?
No mention of whether this is a direct-reading guage. If it's an electrical device, could be your problem. My 2nd question would be... any sort of pressure relief valve in the system that could be acting up?
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