GuardFlow

GuardFlow HVAC Manifold Gauge Set for R32 R454B R410A R22 — 5ft Color Hoses, Forged Brass & Dual PSI/°F Gauges

High-performance automotive accessories made for confident daily results

$154.98

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Why customers choose NorthTrail Auto

GuardFlow's HVAC manifold gauge set is a professional-grade diagnostic tool that measures pressure and temperature for R32, R454B, R410A, and R22 with rugged forged-brass construction and 5-foot color-coded hoses.

This complete manifold kit pairs high-accuracy analog gauges with durable components designed for everyday HVAC service. Built for modern refrigerants including A2L blends, the set combines stable calibration, micro-adjustable needle valves, and safety-rated hoses to streamline charging, leak checking, and system diagnosis. The dual-scale dials show PSI and corresponding °F directly, eliminating guesswork and reducing reliance on external charts.

How accurate and reliable are the gauges for diagnostic work?

The gauges provide class 1.6 level accuracy for pressure and temperature readings, delivering consistent numbers technicians can trust. A stable zero-calibration screw keeps readings accurate over time, and the analog dual-scale layout makes it fast to interpret results on site.

  • Class 1.6 accuracy for precise pressure/temperature data
  • Dual PSI and °F scales—no PT charts required
  • Zero-calibration screw for long-term stability
  • Pressure ranges: -30 to 500 PSI and -30 to 800 PSI

Will this manifold handle A2L refrigerants and legacy refrigerants safely?

The set is engineered for compatibility with both newer A2L refrigerants like R32 and R454B and traditional refrigerants such as R410A and R22. Hoses and fittings are built to withstand elevated service pressures, and the manifold body uses forged brass for leak-resistant performance under load.

  • Supports R32, R454B, R410A, and R22 refrigerants
  • Forged brass manifold body for secure sealing
  • Hoses rated to 800 PSI working, 4000 PSI burst for safety
  • Needle valves offer fine control during charge and recovery

What components come with the kit and how does it save time on the job?

This manifold arrives ready to use: gauges pre-mounted on a robust body, three 60-inch color-coded hoses, and a rotating hanging hook for hands-free access. Thoughtful features like spaced hose holders reduce tangling and the ergonomic layout speeds routine tasks like charging and pressure checks.

  • Complete set: manifold, two precision gauges, three 60" color-coded hoses
  • 360° rotating hanging hook for convenient placement
  • Spaced hose holders to keep hoses organized and accessible
  • Needle valves allow micro-adjustments for accurate refrigerant flow

How durable is the design for daily field use?

Durability is built into the design with a forged brass manifold and industrial-grade hoses rated for high-pressure operations. The construction resists leaks and wear, making the set suitable for repeated use across residential, commercial, and automotive HVAC jobs.

  • Forged brass body resists deformation and leaks
  • High-pressure hose ratings for demanding tasks
  • Precision needle valves engineered for long service life
  • Stable mechanical gauges designed for rugged field conditions

Who is this for: The GuardFlow manifold gauge set is aimed at HVAC technicians, refrigeration specialists, and skilled DIYers who need a single, reliable tool for servicing both modern low-GWP A2L refrigerants and legacy systems. It’s especially useful for professionals who value accurate analog readouts, robust construction, and a ready-to-use kit that keeps work organized and safe.

FAQ

Q: Is this manifold safe for R32 and other A2L refrigerants?

A: Yes. The set is designed for A2L refrigerants like R32 and R454B and includes high-pressure rated hoses and forged-brass fittings for safe service.

Q: What pressure range do the gauges display?

A: The dual-scale gauges cover pressures from -30 up to 500 PSI and -30 up to 800 PSI depending on the dial, with matching °F temperature scales.