For diesel and fuel oil EL/L and anti-freeze protection (undiluted), RME- and fuel oil additive (on demand), capacity 55 l/min, feed pressure max. 2,0 bar electric vane pump TecPump 600 AC, with integrated anti-siphon safety feature, with mechanical roller counter Z400,not calibratable with totalizer, not resetable, as well as a subset counter, resetable and calibration function automatic pumping disconnection