3-1/8" 4-Valve Pro Plus Manifold Gauge for R454B/32/410A/22 Refrigerants

The N4A4B is a versatile 4-valve Pro Plus manifold gauge designed for modern HVAC/R systems using A2L refrigerants. Its durable impact-resistant aluminum body features ergonomic four ball-valve handles and a foldable hook for easy field use-delivering Class 1.0 accuracy and compatibility with R-454B, R-32, R-410A, and R-22.

• 1 × N4A4B Pro Plus 4-valve manifold gauge
• Protective carry case

• Four independent ball valves for precise refrigerant control
• Impact-resistant aluminum body with rubber cover for jobsite durability
• Large 3-1/8" dial with Class 1.0 accuracy for clear, reliable readings
• Compact folding hook for convenient transport and storage
• Color-coded, backlit dial ensures visibility in low-light conditions
• Pressure Range: -30 inHg to 800 psi :contentReference[oaicite:2]{index=2}
Why N4A4B Stands Out
• Ideal for A2L refrigerant systems-streamlines job-site versatility
• Combines rugged build, professional accuracy, and user-focused design
Related Products
• Navac N2A4C Pro Plus Manifold Gauge (R-32/454B/22)
• Navac N2A4D Pro Plus Manifold Gauge (R-22/410A/404A)
• Navac NX4V NEXUS Digital Manifold Kit

Optimized for wider applications, this manifold gauge features 4 valves and is suitable for 4 types of refrigerants: R-410A, R-22, R-134a, and R-404A or R-410A for N4A4 & N4A4H Models, and R-22, R-32, R-454B for N4A4B Model (from outer ring to inner). Incorporating the latest ergonomic research and advanced design, it's easy to handle and delivers high precision with Class 1.0 accuracy. The integrated, impact-resistant aluminum body design provides outstanding protection. With 4 ball valve handles and easy folding hook design, the gauge is easy to carry.