[ When to Replace ]: If the Display Panel Shows CODE 03 or The LED is Blinking Three Times,the 243222 Pressure Transducer Sensor Needs to be Replaced The 243222 Pressure Transducer Sensor is Compatible With: 395 PC PRO, 490 PC PRO, 495 PC PRO, 595 PC PRO, 650 PC PRO; 395 PC FinishPro, 595 PC FinishPro; 390 FinishPro,395 FinishPro, 595 FinishPro [ Product Features ]: The 243222 Pressure Transducer Sensor turn off when it reaches the right pressure. [ Material ]: Silicon and Stainless Steel. With Strong Durability, Resistance and Anti-rust Performance [ Please Note ]: This 243222 Pressure Transducer Sensor for Paint Parts is Suitable which does Not Match The, Manufacturer: Akfldms