What You’ll Learn:

• How capillary tubes meter refrigerant through friction and pressure differential
• Understanding inner diameter (ID) vs outer diameter (OD) and why it matters
• Proper sizing charts and BTU capacity calculations
• Step-by-step capillary tube brazing techniques
• Common mistakes and how to avoid them
• When to repair vs replace capillary tubes
• Working with different wall thicknesses and refrigerant types
• Insertion depth best practices (1/4″ to 1/2″)
• Heat application and avoiding kinks or breaks

Key Topics Covered:

• Capillary tube fundamentals and metering principles
• Friction-based pressure drop mechanics
• Proper brazing techniques for delicate copper tubing
• Caliper measurements and sizing tools
• Oil return applications in VRF systems
• Schrader core connections
• Field repair scenarios and troubleshooting

Whether you’re a new HVAC technician or experienced professional, this capillary tube repair and brazing class provides practical knowledge you can apply immediately in the field.