134A / 1234YF Dual brass gauge set - Mastercool

The Mastercool 66661-AYF Dual Brass Gauge Set offers professional automotive and industrial technicians a robust and versatile solution for servicing both R134A and R1234YF automotive A/C systems. Engineered for durability and precision, this heavy-duty set ensures accurate diagnostics, efficient refrigerant recovery, and precise charging across a wide range of passenger cars, light trucks, and various fleet vehicles.

Key Features

• Dual Refrigerant Compatibility: Seamlessly services both R134A and R1234YF A/C systems from a single manifold, enhancing workflow efficiency and optimizing workshop space.
• Heavy-Duty Forged Brass Manifold: Constructed for daily rigorous use in demanding shop environments, providing exceptional resistance to wear and refrigerant exposure.
• 2½" Silicone-Dampened, Recalibratable Gauges: These gauges deliver smooth, stable needle movement, minimizing vibration for precise low- and high-side pressure readings during critical operations, and ensure long-term accuracy through recalibration.
• Dedicated Vacuum Port: An additional access port simplifies vacuum line connection, ensuring efficient system evacuation for a clean, dry A/C system prior to charging.

Applications

This professional-grade gauge set is essential for a wide array of A/C service tasks, including:

• Comprehensive system diagnostics on R134A and R1234YF vehicles to verify operating pressures and overall system performance.
• Accurate refrigerant recovery and charging procedures following component replacements such as compressors, condensers, or hoses.
• Thorough evacuation of air and moisture from A/C systems before final charging on new installations or major repairs.

Specifications

• Manufacturer: Mastercool
• Model: 66661-AYF
• Refrigerants: R134A, R1234YF
• Gauge Size: 2½" silicone-dampened, recalibratable
• Manifold Material: Forged brass
• Weight: 5 lb
• Dimensions: 6" x 11" x 8"