Fieldpiece SOX3 Combustion Check w/AutoPump
The Fieldpiece SOX3 Combustion Check is a great tool to easily tune furnaces when a full combustion analysis isn't necessary. Designed specifically for HVACR pros, the Fieldpiece SOX-3 Combustion Check provides all the essential measurements needed to tune most combustion. The Fieldpiece SOX-3 measures %O2 and flue temperature, and calculates %CO2, %Excess Air, and combustion efficiency.