454
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Qualified service refrigerant / R454B
R454B — refrigerant for systems specifically engineered for A2L service.
Professional hfo/hfc refrigerant blend supplied in a sealed service cylinder. Use only with equipment whose labeling and manufacturer documentation specifically approve R454B, and follow the handling requirements associated with its A2L classification.
22 lb / 10.0 kg
HFO/HFC refrigerant blend
A2L — lower toxicity / mildly flammable
22 lb cylinder
RefrigerantR454B
Net contents22 lb / 10.0 kg
Refrigerant familyHFO/HFC refrigerant blend
Safety classA2L — lower toxicity / mildly flammable
Where it fits
Compatibility comes before charging.
Match the refrigerant to the equipment data plate and manufacturer service documentation before purchase, recovery or charging work.
Current-generation air-conditioning systems that specifically list R454B
Proceed only when the equipment manufacturer lists R454B as an approved refrigerant for that system.
Approved compatible heat pumps designed for A2L refrigerant
Proceed only when the equipment manufacturer lists R454B as an approved refrigerant for that system.
Additional manufacturer-approved R454B applications
Proceed only when the equipment manufacturer lists R454B as an approved refrigerant for that system.
Technical snapshot
R454B cylinder and service details.
Use this section as a quick purchasing reference for the refrigerant designation, cylinder size, classification and intended service context.
ModelR454B
Container size22 lb / 10.0 kg
Refrigerant typeLower-GWP A2L blend
ClassificationA2L — lower toxicity / mildly flammable
PackagingFactory-sealed service cylinder
Intended userProfessional / qualified service use
R454B is a lower-GWP refrigerant blend used in newer HVAC equipment. Its A2L classification means service practices differ from traditional A1 refrigerants.
Service checklist
Confirm the system, tools and procedure first.
Pressure, lubricant, material and safety requirements vary by refrigerant and equipment design. Verify the system before opening or attaching a cylinder.
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R454B is an A2L refrigerant and requires equipment, tools and procedures suitable for mildly flammable refrigerants.
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Do not charge R454B into an R410A system unless the equipment manufacturer specifically approves that conversion.
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Follow all ventilation, ignition-control, leak-detection and service requirements applicable to A2L refrigerants.
Cylinder & storage
What arrives, plus the checks to make before use.
Package contents
One factory-sealed R454B service cylinder
The cylinder contains the stated net refrigerant weight. Inspect the cylinder condition and label upon delivery and before connecting service equipment.
- Refrigerant: R454B
- Net contents: 22 lb / 10.0 kg
- Factory-sealed service-cylinder format
Handling reminder
Review compatibility, SDS and storage requirements.
Keep the cylinder secured and store it according to the product label, safety data sheet and applicable transport or storage rules.
- Read the cylinder label and SDS before handling.
- Use service equipment approved for this refrigerant.
- Follow applicable recovery, recycling and disposal requirements.
This page is a general purchasing reference. It does not replace equipment-manufacturer instructions, the refrigerant safety data sheet, technician training or certification requirements, or applicable federal, state and local regulations.