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Euro Black 2" Water Pressure Gauge (30 PSI)
Perimeter-lighted Black dial with bold White graphics, Black aluminum bezel, contoured White pointer and flat glass lens.
A pressure gauge operates by sending a low amperage current through the gauges' meter to ground via a sending unit with variable resistance. The resistance of the sending units increase or decrease with the changes in pressure, temperature, etc...
As the sender's resistance varies, the amount of current allowed to flow through it to ground changes and the meter deflects, showing the change in pressure.
2" - Hole size: 2.0625" (53mm)
Factory P/N OP1004
*Sold as an Individual
**Gauge Cover not IncludedThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.