Features:
1) It can withstand pressure of tap water when it works
2) With copper coil in tank and heat pipes in vacuum tubes, hot water out with pressurized
3) Completely automatic operation
4) Drinking water quality to promote life quality
5) Temperature preservation can last for 80 hours
6) Without volatile tubes
7) No incrusting, long usage life

Specifications:
1) Body material: interior SUS 304-2B
2) Water tank: porcelain steel
3) Coil material: red copper
4) Water capacity: 180L, 210L, 240L, 300L, 360L
5) Pressure: 6 bar
6) Heat preservation: 80-90h
7) Hail resistance: 25mm
8) Tube standards: 18, 21, 24, 30, or 36 tubes with 58mm diameter  and 1.9m length