... ,CCC passed long guarantee sample availble Solar Hot Water Heater Split pressurized solar water heater is composed of heat pipe evacuated ... expansion vessel, pressure gauge, sensors and etc) and pressurized water tankWorking principle: 1) When the temperature of the heat collector ... 200, 250, 300 ,400and 500 Liters Copper coil in water tank for heat transferring as twice heat exchange Warranty: 3 years ...