R744 Refrigerant, Carbon Dioxide, CO2, Mastercool 55661 Gauge Set & CGA320 Kit

R744 Refrigerant, Carbon Dioxide, CO2, Mastercool Professional Gauge Set

***Always wear safety glasses and gloves when working with ALL Refrigerants including R744.

(1) Mastercool Model 55661 R744 Professional High Pressure Gauge Kit.

(1) CGA320 Tank Connection Kit

The stem approximately 2" in length

The Pipe Connection is 1/4" NPT Male

Also included is a 1/4" NPT Female x 1/4" Male Flare Brass adapter 

• Free-floating design results in less wear and tear compared to standard twisting piston valves


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• Double O-ring allows for tighter seal, resulting in less leaks


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• Oil filled, class 1% (1A), 2 3/4" gauges


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• Supplied with steel braided hoses for CO2


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• Easy to read temperature scales on gauge face


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• Solid extruded aluminum body


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• Large, easy to grip knobs


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• 1/4" SAE connection


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• Units: PSI/MPa


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• Refrigerant scale: R744