skinny.

Latest / HVAC School - For Techs, By Techs

Short #51 - Separate Gauges

Do you need different gauges for each refrigerant? In today's short podcast, we discuss the answer to this common HVAC question.

When we first started using R-410A, many people warned us that we'd have to use a separate set of gauges when working on R-410A systems. That's because R-410A systems use POE oils, not mineral oil, and they are not compatible. While it is true that R-22 and R-410A systems use different oils, there is no need to worry about using separate gauges for each type of system. Actually, some manufacturers recommend using a little bit of POE oil in mineral oil systems.

What…

The skinny

The skinny isn't ready yet — notes appear once the transcript is processed.