Characteristics: 1. High efficiency: 97%, boiler body can work under pressure of 2.5MPa.2. Adopting PLC control system: adjust temperature automatically and possessing six functions of safety protection: overheat, over currency, short circuit, leakage of electricity, shortage of water and shortage of phase. 3. Human-machine dialogue interface: totally automatic operation. 4. Long life span: electric elements are almost famous brands: ABB, Schneider, OMRON, Siemens and so on.5. Easy manipulation and maintenance. 6. RS485/422/232 communication interface: multi-boiler and remote control is available.7. Long life electric heating elements: continuous running for 5,000 hours.8. Unique arrangement and connection of electric heating elements: easy to replace and maintain (patented technology). 9. It is available to work under a pressure of no more than 1.6MPa.Applications: 1. Providing heating for radiators, air-conditioning system as well as floor radiating heating system. 2. Providing continuous hygienic hot water, together with water-water heat exchangers. producing area:China supplying capacity:20 sets/month