Description
The Trane R454B-20 is a 20-pound cylinder of R-454B refrigerant, also designated AL2, engineered as a high-performance, lower global warming potential (GWP) alternative to R-410A. As the HVAC industry transitions to next-generation refrigerants, R-454B has emerged as a leading choice for new residential and light commercial air conditioning and heat pump equipment, offering a GWP of approximately 466 — roughly 78% lower than R-410A.
R-454B is classified as an A2L mildly flammable refrigerant, meaning it requires A2L-rated equipment and proper handling procedures in accordance with applicable safety codes and standards. This refrigerant is ideal for use in systems specifically designed and approved for R-454B operation.
Key Features
- R-454B (AL2) refrigerant — next-generation low-GWP alternative to R-410A
- 20 lb. cylinder for convenient field use and recharging
- GWP of approximately 466 — significantly lower than legacy HFC refrigerants
- A2L classification: mildly flammable, requires compatible equipment and safe handling
- Designed for use in new residential and light commercial AC and heat pump systems
- Supports industry compliance with evolving environmental regulations
Application & Compatibility
R-454B is intended exclusively for use in equipment specifically designed and rated for this refrigerant. Always verify system compatibility before charging. Follow all applicable local, state, and federal regulations regarding refrigerant handling, recovery, and certification requirements.
Safety & Handling
- A2L mildly flammable — use only in A2L-approved systems and environments
- Technician EPA Section 608 certification required for purchase and handling
- Store in a cool, dry, well-ventilated area away from heat sources and open flames
- Always use proper personal protective equipment (PPE) when handling refrigerants
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