Field Sensor Replacement... Changing the O2 and CO sensors on my Testo North America 300 combustion analyzer. The sensors come with calibration certificates from factory just as a new unit does. There are instructions on how to do this in the manual and it's a nice alternative to sending it away in busy season. #hvac #hvacr #hvaclife #combustionanalysis #combustionanalyzer #hvacaf #heatingtech #hvacrtroubleshooting #furnace #boiler | HVAC Know It All
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Field Sensor Replacement... Changing the O2 and CO sensors on my Testo North America 300 combustion analyzer. The sensors come with calibration certificates from
Field Sensor Replacement... Changing the O2 and CO sensors on my Testo North America 300 combustion analyzer. The sensors come with calibration certificates from factory just as a new unit does....
3.2K viewsJan 27, 2023
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