R407C is a blend of non-ozone depleting HFC refrigerants (R32, R125 and R134a). It has similar properties and characteristics to R22 and is used across a wide variety of air conditioning applications. It is widely used for splits, VRF and direct expansion water chillers. As R407C is a blend it should always be removed from the cylinder as a liquid when charging the system. R407C is not compatible with mineral oil, and equipment manufacturers recommend Polyol Ester (POE) oil - see our Lubricants section for more information.
R407C can be used to retrofit some existing R22 air conditioning systems, however, it will be necessary to carry out a number of oil flushes when changing to a POE oil.
APPLICATIONS: Air conditioning / Water chillers
ASHRAE CLASS: A1
OIL REQUIRED: POE