The Concord 3 Glass Dial Thermometer is great for home brewers. Use it to monitor the temperature of your brewing kettle. It has a 3' stainless - steel stem and a 3' glass face. The temperature range is from -20 to 120 degrees Celsius or 0 to 250 degrees Fahrenheit. It's easy to install with a 1/2' NPT and can be calibrated using the adjustment dial on the back.