... heater 1.Environmental protection 2.Highly efficient 3.With stand pressure of 12 bar Sunny water Split pressurized solar water heater ... pressurized solar water heater composes of solar collector, storage tank, controller, working station and installation parts.Working principle: 1) When the ... Electric heater, a Magnesium bar, a P/T valve, a Pressure release valve and Electric control boxDetail Photos: