AVE 75500 Chesapeake Black 2 Water Temperature Gauge (100-250°F) Perimeter-lighted 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 c

<p><strong>Chesapeake Black 2" Water Temperature Gauge (100-250&deg;F)</strong></p><p>Perimeter-lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed glass lens.</p><p>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...</p><p>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.</p><p>2" - Hole Size: 2.0625" (53mm)</p><p><strong>Specifications:</strong></p><ul><li>Anti-scratch glass lens</li><li>Plastic Cases for corrosion resistance and long life</li><li>12 VDC negative ground</li><li>Can be adapted for 24 VDC systems</li><li>Dual Scale - Metric and Imperial</li></ul><p>Factory P/N GP9142</p><p>*Sold as an Individual</p><p>**Gauge Cover not Included</p><strong>This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.</strong> <!--- cis2:m2hqmpZo --->