Mastercool is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mast...

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Mastercool is the leading manufacturer of professional quality A/C manifold gauge sets. Our manifold gauge sets are constructed of the finest materials and machined with precision to the highest quality standards. At Mastercool, every manifold we build is built to last. Note-close both valves on the manifold gauge set by turning the high and low knobs clockwise. The gauges are correctly calibrated If calibration required, remove lens and insert a straight blade screwdriver into adjusting screw on the gauge face

FEATURES:
• 1/4″ MFL
• Heavy duty forged brass body
• Large all metal handles are angled for ease of operation
• Free-floating piston type valves reduce o-ring wear
• Hose holder for convenient storage
• Silicone dampened gauges smooth out needle movement
• Gauges can be easily recalibrated in the field to maintain accuracy
• 3 – 60" nylon barrier hoses with a working pressure of 800 psi and a burst pressure of 3000 psi

This R410A, R22, R404A Brass 2 Way Manifold Set comes complete with 3 1/8" Gauges, 3-60" Nylon Barrier Hoses and Standard 1/4" Fittings. Gauges can be easily recalibrated in the field to maintain accuracy.



  • ✅ 100% U.S. Designed, Assembled & Tested – Engineered with precision and craftsmanship, ensuring top-tier performance for demanding HVAC and refrigeration applications.
  • ✅ Heavy-Duty Forged Brass Body – Built for lifelong durability and maximum endurance, making it the ideal choice for professional technicians.
  • ✅ Advanced Free-Floating Piston Valves – Reduces internal friction and wear, significantly extending the lifespan of O-rings for smoother and more reliable operation.
  • ✅ Premium Grade 5 High-Pressure Hoses – Includes three 60" kink-resistant, flexible hoses with ¼” SAE standard fittings, utilizing advanced rubber technology for superior performance under high pressure.
  • ✅ 3 1/8” Silicone-Dampened Gauges – Large, easy-to-read dials minimize needle vibration and feature color-coded scales for R410a, R22, and R404A, ensuring quick and precise refrigerant identification.
  • ✅ Angled, All-Metal Handles for Enhanced Control – Designed for ergonomic handling and precise adjustments, ensuring smooth operation even in high-pressure applications.
  • ✅ Convenient Hose Storage Hook for Easy Organization – Built-in hanger hook allows for secure storage and hands-free operation, keeping hoses neatly in place during use.

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