Universal Oil-Compatible R-421A Refrigerant Cylinder for HVAC Systems
Universal Oil-Compatible R-421A Refrigerant Cylinder for HVAC Systems
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Universal Oil-Compatible R-421A Refrigerant Cylinder for HVAC Systems
Non-Ozone Depleting Replacement Refrigerant for Stationary Cooling
Simplify equipment maintenance with versatile R-421A refrigerant. Developed as a user-friendly retrofit for legacy R-22 applications, this non-ozone depleting blend functions smoothly across residential, commercial, and industrial air conditioning installations. Its unique chemical balance works in harmony with Mineral, Alkylbenzene, and POE oils. Restore strong cooling capabilities to aging HVAC units without risking component damage or seal failure.
Universal Lubricant Harmony - universal oil refrigerant
Eliminates the need for tedious oil conversion processes by operating cleanly with Mineral, AB, and POE oils.
Non-Ozone Depleting - eco compliant cooling gas
Helps bring legacy systems into compliance with modern environmental standards without compromising chilling power.
Versatile Application Scope - residential HVAC gas
Ideal for home air conditioners, commercial refrigeration units, and medium-temperature walk-in coolers.
Technical Specifications
- Chemical Composition: HFC Blend (R-421A)
- Quality Standard: AHRI-700 certified virgin formulation
- Lubricant Compatibility: Mineral Oil, Alkylbenzene (AB), Polyolester (POE)
- Safety Rating: Non-flammable A1 classification
Package Includes
- 1 x Factory-Sealed Refrigerant Cylinder
Frequently Asked Questions
Q: Can I use this refrigerant in residential home central AC units?
A: Yes, it is widely used in residential air conditioning systems previously running on R-22.
Q: Will this product damage existing rubber seals in older systems?
A: No, its formulation is designed to be compatible with standard elastomeric materials used in R-22 systems.

We have multiple legacy systems. This blend works seamlessly across both types of lubricants. Five stars all the way.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Five stars all the way.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Clean cylinder with verified pressure.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart. Five stars all the way.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
- 5 stars: 29 (94%)
- 4 stars: 2 (6%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 star: 0 (0%)
We have multiple legacy systems. This blend works seamlessly across both types of lubricants. Five stars all the way.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Five stars all the way.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Clean cylinder with verified pressure.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart. Five stars all the way.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
Recharged an older rooftop AC unit. Compressor sounded noticeably smoother within 10 minutes of charging.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart. Clean cylinder with verified pressure.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored!
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored!
We have multiple legacy systems. This blend works seamlessly across both types of lubricants.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Clean cylinder with verified pressure.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Highly recommended for all HVAC and refrigeration pros.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Highly recommended for all HVAC and refrigeration pros.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
We have multiple legacy systems. This blend works seamlessly across both types of lubricants. Arrived well-packaged and ready to use.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Highly recommended for all HVAC and refrigeration pros.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22. Highly recommended for all HVAC and refrigeration pros.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart.
We have multiple legacy systems. This blend works seamlessly across both types of lubricants.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
Direct drop-in replacement for our legacy R-22 system. No need to change mineral oil, cooling capacity fully restored! Arrived well-packaged and ready to use.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart. Clean cylinder with verified pressure.
We have multiple legacy systems. This blend works seamlessly across both types of lubricants.
Avoided a costly 15,000 euro system overhaul. Pressures aligned well with standard PT chart. Highly recommended for all HVAC and refrigeration pros.
We have multiple legacy systems. This blend works seamlessly across both types of lubricants.
Tested on an older 10-ton package unit. Running smooth and discharge temps are actually lower than original R22.
Recharged an older rooftop AC unit. Compressor sounded noticeably smoother within 10 minutes of charging. Fast shipping and excellent communication.