99.9% pure copper tank: For long life and erosion free execution. Has single,high quality weld joints. 6 Bars Pressure: High Working tension that is twofold that of customary water heaters. Disc Thermostat : Faculties Water Temperature rapidly and unequivocally. Thermal cutout: Reinforcement security gadget removes power at 90°C. Forestalls overheating. Multi-function valve: Goes about as strain discharge valve, non-return valve, channel valve, development valve and vacuum discharge valve.