BOGERDACK 2PCS 1/2" NPT Bimetal Thermometer, 50-500°F/0-250°C, 3" Dial, 4.3" Stainless Steel Stem, Accuracy 2%, Center Back Mount, for Hot Water, Boilers and Pipes

["Product Name: Bimetallic thermometer","Size: 3.2\" dial size, 3\" Stainless Steel Stem","Temperature Range: Accurately measures temperatures from -10°C to 100°C (0°F to 220°F), suitable for a variety of applications.","Precision Monitoring: Dual scale dial, synchronized display of ℃ / ℉, at a glance in the use of the process of conversion-free, accurate readings, improve work efficiency.","Applicable Scenarios: Measure water or other non-corrosive liquids. Avoid measuring corrosive liquids."]