250H. Pressure sensor. A safety Switch that monitors the Pressure of the refrigerant. A/C Refrigerant Pressure Sensor. Exc.Japan Built. Conditioning (A/C) Refrigerant. CUT - Off. HVAC. Included with: AC line, AC tube, Discharge pipe, Liquid line, Liquid line Part cannot be reused/reinstalled, Part cannot be reused/reinstalled AC line, Tube assembly, Tube assembly Part cannot be reused/reinstalled.