... output type and size according to customers requirement.l Suitable for R22, R134a, R407C, R507/404A.l If you have ... Superheat adjustingFactory setting:superheat 3.4°C, Static superheat adjusting range is between 2°C-8°C.Turn adjusting stem anticlockwise one ... round,reduces superheat 0.3°C. interchangeable expansion valve, for R22,R134A,R407A ...