R-507A is an azeotropic blend of HFC refrigerants R-125 and R-143a. It has similar properties and characteristics to R-404A and can be used in similar applications at medium and low temperatures.
It has a GWP greater than 2500 and virgin product cannot be used for servicing in the UK and EU in stationary refrigeration applications > 40 CO2 T eq.
R-448A, R-449A and R-442A are potential replacements in direct expansion systems.
Please contact Climalife for specific recommendations for your applications.