Gohantee Air Conditioner Refrigerant Gauge Set – 70mm Dual Gauge (0-500 psi / 0-800 psi) for R410A R134A R22

Overview

The Gohantee air conditioner refrigerant gauge set packs two precision instruments into a compact 70 mm dial package. Designed for technicians and HVAC enthusiasts, the blue low pressure gauge and the red high pressure gauge provide quick, at-a-glance readings that help you understand system activity during service tasks. The clear usability comes from a vivid dial, crisp scales, and straightforward color coding that makes interpretation faster in busy work environments.

Premium design and clear readouts

Built with attention to readable data, these gauges prioritize legibility in a range of lighting conditions. The 70 mm / 2.7 inch dial size offers generous room for large numerals, while the distinctive blue and red dials visually separate low and high pressure information. Reading pressures becomes a smoother part of your workflow, whether you are on a rooftop, in a shop, or in a residential service call.

Key specifications at a glance

• Inlet connection: 1/8 inch NPT, a common standard for AC service connections
• Dial diameter: 70 mm / 2.7 inches
• Low pressure gauge range: 0 to 500 psi (blue)
• High pressure gauge range: 0 to 800 psi (red)
• Refrigerants supported: R410A, R134A, R22
• Package includes: 1 low pressure gauge and 1 high pressure gauge

How this gauge set helps in real-world service

Use this dual gauge during charging, diagnosis, and routine maintenance to gauge refrigerant presence and system activity. The clear scales and color coding help you quickly map readings to expected operating ranges, reducing guesswork during field work and shop tasks. While readings can guide decisions, treat them as data points to inform safe and careful service planning.

• During installation or recharge, read both low and high pressures to gauge refrigerant presence and overall activity.
• In field service, rely on the robust design and easy-to-read dials to stay productive in tight spaces.
• For maintenance checks, monitor pressure trends to spot unusual readings that may indicate a need for further inspection.

Careful use and compatibility

These gauges are designed to work with common refrigerants used in many AC systems, offering a practical diagnostic aid for technicians. They are intended to complement proper service procedures and safety practices, not replace official manuals. Use as part of a structured service workflow to interpret readings within typical operating ranges and take appropriate precautions.