Check the listing for details. Testo 310 Residential Combustion Analyzer Kit with Printer - 05633110. Condition: New, Made in Japan. Listed at 650.00 USD. The Testo 310 Residential Combustion Analyzer Kit with Printer is a reliable tool designed for analyzing gas and combustion systems in residential settings. This kit includes a printer for easy data access and documentation. With the reputable Testo brand behind it, this analyzer provides accurate and efficient measurements to help ensure the safety and performance of heating systems in homes. Ideal for professionals in the HVAC industry, this kit offers valuable insights for maintaining and improving combustion efficiency.