Probe Thermometer for Double Wall Stove Pipe

The Double Wall Black Stove Pipe Probe Thermometer is for use on double wall black stove pipes (not Class A pipes). Our Double Wall Black Stove Pipe Probe Thermometer is fabricated in three layers: high temperature steel core for longevity, clad with pure copper for fast conductivity, and chrome-pleted to resist corrosion. With a durable porcelain enamel featuring zones to clearly indicate temperature inside the double wall stove pipe. 4-inch stem engineered to accurately measure temperatures up to 1700° Fahrenheit, for any diameter flue pipe up to 8 inches. Rugged steel case. Mounts easily through a 1/4 inch hole. Magnet and eyelet included. *Note: Not recommended for single wall pipe. Directions for Use Probe thermometers are designed for insertion into the stovepipe, with the end of the probe approximately centered inside the flue for accurate readings. To install, drill a 1/4-inch hole in the flue pipe at least 18 inches above the top of the stove or furnace. For double-wall pipe,