Description
Mfr # 13704.Chesapeake Black 2 Water Temperature Gauge 100250egF Perimeterlighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed glass lens A temperature 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 temperature 2 Hole Size 20625 53mm Specifications Antiscratch glass lens Plastic Cases for corrosion resistance and long life 12 VDC negative ground Can be adapted for 24 VDC systems Dual Scale Metric and Imperial Factory PN GP9142 Sold as an Individual Gauge Cover not Included