Company 'Accidentally' used 407c instead of R22 in our system 407c Oil
How to change r22 to r407c RETROFIT conversion in refrigeration system Part 4, Pros and Cons of R-407C Refrigerant R-407A is a blend of R-32, R-125 and R-134A with similar properties to R-22. It is commonly used for medium and low Fresh Glock 19X MOS Build R22 Replacements | Why Use 407c? ...