The Yellow Jacket 40974 4-Valve HAV-36 Manifold features large, easy-to-read gauges in blue and red coloring for ease of identification for readings. This model is compatible with R-448, R-449, and R-452 refrigerants and features double ‘O’ ring pistons for a longer service life. Front access allows for easy field calibration of the device.
What’s included with the YELLOW JACKET® 40974
- Yellow Jacket 40974 4V MPA 448/449/452 HAV-36
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