The Integrated Low Pressure Electrolyzer (ILPE) produces low pressure oxygen for submarines and requires no high pressure storage. It has a capacity of 15-225 SCFH Oxygen, with power of 100kW, 3 Phase 440 VAC Control Power. The ILPE operates automatically enabling unattended operation. The operator interface is via a color, touch sensitive LCD with back-up operation via a laptop computer. It has been designed with ease of maintenance in mind.