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Special Features：
1.  Automatic Water temperature modulation.
2.  Stainless steel inner tank with guarantee.
3.  High performance heating element.
4.  Pressure and temperature relief valve.
5.  "LONG TONE" hot water system is capable of providing multi-point outlets.

Superposed protection：

Automatic Thermostatic Control：Consistent water temperature control, adjustable below 75℃。

Thermal Cut Off Control：Non re-settable temperature relief.Temperature cut off when exceeded preset temperature to protect the heating element.

Anti-Vacuum Value：Prevent heated water being siphoned back to supply pipe during water shortage in order to protect the inner installation and heating element.

 1.  

The boiler design and manufacturing quality should follow relevant regulations of Hu Zhi Ji Jian Te (2003) attachment 2 -- Acceptance Conditions for Small-scale and Normal Pressure Hot Water Boilers and Provisions on the Safety Supervision over Small-scale and Normal Pressure Hot Water Boilers.

The heating surface material, covered electrode and welding wire of the boiler should all have quality certificates.

The steel materials used for the boiler should accord with regulations of GB700 and GB 8163.

4.  The boiler should be welded by the welder who has been trained and qualified through examination.
5.  The boiler should be equipped with automatic protection device.
6.  GB1576-2001 industrial boiler water quality should be reached.