Mfg Part # 15020. If your using this liquid filled gauge in higher altitudes (above sea-level) and your not getting the correct pressure, you must equalize the inside pressure. To do this; turn gauge until the rubber side plug is pointing to the top and pop out the plug to equalize the pressure inside the gauge for a couple seconds and push the plug back in.
Big End Performance 15020 1 1/2 in. 0-15 PSI Liquid Filled Pressure Gauges are a great fit for applications that require accurate and reliable pressure readings in various settings such as industrial, construction, or automotive industries.
