Uploaded November 2025 | Updated September 2026, 3 weeks ago

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Watch this hands-on demo of the NAVAC NVR2 in action! See how this essential valve core removal tool performs on real service ports. This HVAC professional-grade equipment works on both 1/4" and 5/16" flare fittings with an 800 PSI working pressure rating.

In this demonstration, we show you:

How to properly install the core removal tool on a leaking service port
The correct technique to avoid overtightening
Step-by-step valve core extraction process
Leak testing procedures

Perfect for every HVAC tech, the NVR2 eliminates the need for multiple tools and holds vacuum down to 20 microns.

Learn more at: hvacrschool.com/nvr2

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