Diagnose refrigeration systems troubles with ease and save time by watching both gauges at once. The complete diagnostic and service gauge set includes R12, R22, R502 and R134a readings. Three color coded hoses each measure 5 feet long and each hose has a 1/4" fitting on both ends. The Freon charging hoses have a maximum working pressure of 500PSI and a burst pressure of 3000PSI. Also included are a pair of R134 high and low quick couplers (in blue and red) to avoid dangerous refrigerant mix-ups. There's also an adapter for R134A. The whole set is mounted on a brass body so it is durable and dependable. Suitable for fixing air conditioning systems in cars and other cooling systems such as refrigerators.

FEATAURES:

1. Professional 3-way air conditioning diagnostic manifold gauge set for R134A R12 R22 and R502 refrigerants. Designed for AC charging, diagnostic check and recovery work.

2. Include 3pc 5FT extra long freon charging hose, 3 color for easily recognition, red for high pressure, blue for low pressure, yellow for refrigerant bottle.

3. Blue Gauge (low): 0-250 PSI ___ Red Gauge (high): 0-500 PSI ___ Burst pressure: 3000PSI ___ Max working pressure: 500PSI ___ Celsius degree unit with easy to read instrument panel.

4. Made from solid bass + aluminum + PVC + plastic, stands up to heavy use and accidental drops, ideal for professional auto mechanics. Include a detailed parts diagram and step by step instructions to help novice.