Chimney has been filling the supply and accessory needs of over 8 000 chimney sweeps hearth retailers masons and contractors for over 25 years, Chimney has the privilege of serving over 80% of the chimney professionals in America, Founded by Robert Daniels ""Sooty Bob "" in 1978 Chimney has grown from a one-man operation to a national network of six warehouses and a manufacturing plant, From its headquarters in Fairfield Iowa Chimney plays a major role in providing for the Chimney industry, Flue Gas Thermometer Probe, To install drill a 1/4 hole and insert probe it will stick to the stove pipe via magnet SKU: CPPF2417