Imperial Magnetic Burn Indicator

Prevent a dangerous over - fire situation due to extremely high heat, or creosote build-up with extremely low heat, Know when your fire is in the safe temperature range with this large - faced, easy - to - read Indicator, Durable and highly accurate, Monitors wood stove performance, Burn efficiency range from 100°F to 850°F (40°C to 475°C), Easily installed on stove pipe with strong magnetic attachment, Baked - on enamel finish.. Type: Magnetic Attachment.