Includes PX52-12462 B / YWM1500*A Sensor I/F No. 1, PX52-12463 / YWM1501 Sensor I/F No. 2, YWM1502 Sensor I/F No. 3. New/RFE - This unit was removed from unused equipment but has minor damage: a small plastic piece on the upper right connector was broken (see last photo).