Standard Engineering Company offers Non-pressurized Solar Water Heater with 1500W Electric Heater. Standard Engineering Company also offers various types of solar thermal system under the brand name `Sunbeam`. The Non-pressurized Solar Water Heater with 1500W Electric Heater, Model 230 LPD, is a kind of solar water heating system that has evacuated tube solar collector and storage water tank connected together. The Non-pressurized Solar Water Heater with 1500W Electric Heater relies on natural circulation of water between the collector and the water tank. The Non-pressurized Solar Water Heater with 1500W Electric Heater has simple structure and enables easy installation. The Non-pressurized Solar Water Heater with 1500W Electric Heater can withstand pressure up to 0.1MPa. The hot water can be used directly or can be used as a pre-heat for high temperature applications.