This A/C Manifold Gauge Set is designed to test R134A air conditioning systems by comparing the "high side" and "low side" pressure readings. This A/C Manifold Gauge Set can be used to test, evacuate and fill R134A air conditioning systems.
- Precise high side (0-500 PSI) and low side (0-120 PSI) pressure readings
- Color-coded gauges, valves and hoses to ensure correct installation
- Large 2-1/2 in. gauges with impact-resistant lenses
- Sight glass for viewing condition of refrigerant
- Quick-connect fittings
- High-pressure safety valve