A Stove Pipe Thermometer The BurnRight Campaign PROCare Magnetic Stove Pipe Thermometer has a sleek, modern design which will compliment your woodburning stove or flue pipe. The gauge has an easy to read display which tells you how hot your stove is burning. It displays the optimum burn temperature to prevent the risk of tar build-up and excessive fuel use which will help you use your stove efficiently.