SMAN 480V refrigerant gages, understanding micron gauge. Deep vacuum.
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HVAC148 Vacuum p15 example 3 The 4 port manifold gauge
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AC Pressures, Subcooling and Superheat
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NEW SMAN Refrigerant Manifold and Micron Gauge SM480V Fieldpiece what do you get in the new box?
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This One CONFUSED Me…
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Three ways to use the Wireless Vacuum Gauge MG44
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Vacuum Pump AC Lines and Break the Vacuum with Refrigerant: Setup, Micron Level, Weighing
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A/C Diagnosis-Sticking Thermal Expansion Valve (TXV, H-Valve)
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