Heating and Air Conditioning: Technical Service Bulletins

• A/C - Retrofitting R12 Systems to R134
  • Overview
  • Procedures
• A/C Refrigerant - Identifier
• A/C - Use of Refrigerant R-134A
• A/C - Revised Sealing Rings for Expansion Valves
• A/C - Certification for Recovery and Recycling
• A/C - Use of Correct Refrigerant
• A/C - Refrigerent Oil Volume Capacities