The YELLOW JACKET®Combustion Analyzer CA502is an essential tool for ensuring the safety, efficiency, and proper operation of heating appliances. With six simultaneous readings displayed, CA502 is among the best in the industry. Compact and lightweight, the analyzer with a magnetic protective holster fits in the palm of your hand. The CO over-limit protection provides sensor longevity and the 7" duct probe with adjustable depth stop allows for easy installation and use at any jobsite. A wireless printer option and YJ Combustion App make the YELLOW JACKET®Combustion Analyzer the simplest combustion analyzer on the market!The inline condensate trap and soot filter provides easy viewing and easy change out and cleanup at the end of a job. A replaceable filter is integrated into the suction line and can be easily replaced while emptying the water trap. The onboard pre-calibrated O2 sensors are easily field-replaceable, allowing for reduced downtime.68601 Includes Only:Analyzer with Protective Magnetic Rubber HolsterWater Trap with Filter CartridgeFlue Gas Probe 7" with Positioning Cone and 5" Dual HoseRechargeable Battery and AC ChargerProtective Hard Carrying CaseQuick Start Guide and Calibration CertificateFeatures:2 Gas Sensors for O2 and CODraft, Pressure and Temperature MeasurementsHigh CO ProtectionField-Replaceable SensorsCO2, Combustion Efficiency, Excess AirAmbient CO MonitoringYELLOW JACKET®YJ Combustion AppAutomatic Generation of QR Code to Download Analyses to Share with Customers or for RecordsCO Air FreeBuilt-in Dual Pressure ManometerIdeal for High-Efficiency Condensing Systems Internal Data StorageBacklit Display for Easy ViewingProtective Magnetic Rubber Holster for Hand Free OperationLong Lasting Rechargeable Battery holds charge for 8 hoursOptional Wireless Bluetooth®PrinterHigh Altitude Adjustment.