This air conditioning gauge set is designed for testing automotive air conditioning systems (using R134A refrigerant only) by comparing the "high pressure side" and "low pressure side" pressure readings to the vehicle manufacturer's specifications. This air conditioning tester set can be used to test, evacuate and refill automotive air conditioning systems.
- Color coded on gauges, valves and hoses to ensure correct installation
- Large 2 1/2 inch gauges with impact resistant lenses:
- Light to visualize the state of the refrigerant
- Quick couplings
- High pressure safety valve