4-Valve Charging Manifold Gauge Set

Product Overview

The Yellow Jacket 49963 Four-Valve Charging Manifold Gauge Set is a precision-engineered mechanical manifold designed for use with R-22, R-404A, and R-410A refrigerants. Built from forged aluminum alloy for maximum strength and durability, this manifold provides accurate system pressure readings and efficient refrigerant handling in professional HVAC and refrigeration service applications. The four-valve configuration allows for simultaneous connections, reducing service time and improving system diagnostics for high-pressure refrigerants.

Technical Specifications

• Manufacturer: Ritchie Engineering Company (Yellow Jacket)
• Model Number: 49963
• Description: 4-Valve Charging Manifold Gauge Set
• Reference Number: 2026473
• Refrigerant Compatibility: R-22, R-404A, R-410A
• Type: Mechanical manifold gauge set
• Number of Valves: 4
• Gauge Accuracy: ±1.00% full-scale
• High-Pressure Gauge Range: 0 to 800 psig
• Low-Pressure Gauge Range: 30 in Hg vacuum to 350 psig
• Gauge Size: 3-1/8 in diameter (standard for field visibility)
• Material: Forged aluminum alloy body for lightweight strength
• Body Construction: Precision-machined manifold with color-coded valve handles
• Connection Size: 3/8 in SAE flare fitting
• Hose Compatibility: Works with standard refrigerant charging hoses for compatible gases
• Operating Pressure Range: Suitable for high-pressure refrigerant systems including R-410A
• Accuracy Class: 1% (Grade 1A, per ANSI/ASME B40.100)
• Valve Configuration: Four-valve system for separate low, high, vacuum, and charging functions
• Manifold Design:
  • Forged aluminum construction provides strength and lightweight handling
  • Large, clear analog gauges with impact-resistant faces
  • Ergonomic color-coded knobs for precise control
• Temperature Compensation: Calibrated for ambient working conditions in HVAC/R service environments
• Application:
  • HVAC and refrigeration system service
  • Installation and maintenance of R-22, R-404A, and R-410A systems
  • System evacuation, pressure testing, and refrigerant charging
• Performance Characteristics:
  • High accuracy for precise system diagnostics
  • Four-valve configuration enhances workflow efficiency
  • Durable body withstands field impact and pressure cycling
• Operating Temperature Range: Standard HVAC/R field service conditions
• Compliance and Standards:
  • Meets or exceeds ANSI/ASME B40.100 Gauge Accuracy Standards
  • Manufactured under ISO 9001:2015 Quality Management System
• Country of Manufacture: United States

Summary

The Yellow Jacket 49963 Four-Valve Charging Manifold Gauge Set is a forged aluminum, 3/8-inch mechanical manifold designed for R-22, R-404A, and R-410A systems. Featuring 0–800 psig and 30 in Hg–350 psig gauges with ±1% accuracy, this 4-valve manifold provides precise measurement, efficient operation, and long-term reliability for professional HVAC and refrigeration service applications.