The Fyrite® InTech® is an advanced, American-made, residential combustion analyzer that delivers quick, accurate measurement of oxygen, carbon monoxide and ambient, stack and combustion air temperatures. Its entry-level price point and low maintenance cost give contractors and technicians an affordable way to gain the convenience and efficiency of electronic combustion analysis. The InTech® features simple push-button operation, 6 selectable fuel types and can store up to ten complete records in memory or output unlimited records via the optional wireless printer and reporting kit. Designed to calculate the efficiency of residential furnaces and combustion appliances by measuring the combustion air temperature, stack temperature and the percent oxygen level in the flue-gas stream, the Fyrite® InTech® delivers rugged, reliable performance in a light, handheld unit.