NEW JECOD (JEBAO) DCT series Pumps - DCT4000/DCT6000/DCT8000/DCT12000/DCT15000. Why are these better than the DT Models? DCT has a High-performance motor with innovation electronics and energy saving up to 50% more then DCT. A New 10 Speed Controller. IC electronic detection, automatic power-off protection upon no water sensor. Motor protection if the rotor is blocked. Super quiet operation. No copper components. Wear-resistant ceramic shaft, longer operation life.