25LB R438A Refrigerant Freon for Air Conditioners - Steel Cylinder Packaging Tank
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R-438A Refrigerant (MO99™)
R-438A is a versatile, non-ozone depleting HFC blend designed as a direct retrofit replacement for R-22 in existing residential and commercial air conditioning and refrigeration systems. It offers similar performance with zero ODP and is compatible with mineral oil in most cases.
Key Benefits
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Easy R-22 Retrofit
Designed for direct drop-in replacement in most R-22 systems with minimal changes. -
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Mineral Oil Compatible
Works with existing mineral oil (MO), alkylbenzene (AB), and POE lubricants — no oil change required in most cases. -
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Zero Ozone Depletion
ODP = 0 and non-flammable (ASHRAE A1 safety class). -
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Similar Performance to R-22
Close capacity, pressures, and efficiency — minimal adjustments needed for TXV or setpoints. -
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Versatile Applications
Suitable for air conditioning, medium-temperature, and low-temperature refrigeration systems.
Specifications
- • Composition: R-125 (45%), R-134a (44.2%), R-32 (8.5%), R-600 (1.7%), R-601a (0.6%)
- • Boiling Point: -42°C to -44°C (approx. -44°F)
- • Global Warming Potential (GWP): ~2,059 – 2,265
- • Ozone Depletion Potential (ODP): 0
- • ASHRAE Safety Class: A1 (Non-flammable, low toxicity)
- • Type: Zeotropic blend with moderate temperature glide
Applications
- ✅ Residential and Commercial Air Conditioning Systems
- ✅ Medium and Low Temperature Refrigeration
- ✅ Direct Expansion (DX) Systems, Chillers, and Heat Pumps
- ✅ Retrofit of existing R-22 systems (not suitable for flooded evaporators or centrifugal compressors)
Packaging & Storage
- • Net Weight: Typically 25 lb (11.3 kg) or 30 lb cylinders
- • Cylinder: Disposable steel tank
- • Storage: Keep upright, away from heat sources and direct sunlight. Maximum temperature: 52°C (125°F)
- • Handling Note: Charge as liquid to maintain blend composition. Use by certified technicians only.
Need R-438A (MO99™) for your R-22 retrofit? Contact us for availability, pricing, and technical support.
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