... meter(including mainteance access)1.3.3 Drainage system: water leakage is possible when mainteance or part ... world. Inclusive of pre-treament apparatus, heat exchange system, 2 pass RO purifiers and seterilization unit, ... Distribution mechanismThe system includes transfer pumps, distribution diaphragm valves, frequency-variable controllers, steam controlers, and temperature display, UV sterilizer ...