Refrigerant
R-438A (MO99) refrigerant
- Designation
- R-438A
- Family
- HFC
- Cylinder size
- 25 lb
- In stock
- 1 of 1 SKUs
- From
- $13.16 / lb
An R-22 retrofit blend built for minimum disruption — no compressor oil change in the ordinary case.
About R-438A
Widely known by its MO99 trade name. Like the other mineral-oil-compatible replacements it is designed so a changeover is a service call rather than a strip-down. Charge liquid, use the R-438A pressure–temperature chart rather than R-22's, and check superheat afterwards.
- Free shipping across the United States
- Dispatch in 1 business day (Mon–Fri)
- Delivery in 1–3 business days (Mon–Fri)
- 90-day returns on unopened, factory-sealed cylinders, cans and accessories
- 30-day defect & leak replacement
- Card payments handled on Stripe — no card data reaches this site