Valiant FIR116 Magnetic Stove Thermometer, Aluminum, Green, 63mm

Will hold securely to most vitreous enamel, iron or steel flue pipe. Heat output is at its most efficient, normally between 125C-300C, (260F and 575F) the Optimum Burn zone. Temperature is indicated by the pointer. Soft woods or unsuitable fuels may cause damage to liner and surrounding objects, best operation monitor the temperature.