Refrigerants: R22/R407C, R404A/R507, R410A, R134a, R407A, R23. For other refrigerants, please contact Danfoss. Temperature of medium: –40 - +105°C with 10 W or 12 W coil. Min. opening differential pressure: 0.05 bar. Note: Kv value, flow against arrow direction. EVRC 10 = 1.1 m3/h. EVRC 15 = 1.2 m3/h. EVRC 20 = 4.7 m3/h.