The UK Cylinders Elite ESPPT0150 150L Indirect Pre-Plumbed Twin Zone Cylinder is a complete unvented hot water solution, measuring 1075 x 545mm. Manufactured from high-grade Duplex stainless steel, it features factory-fitted plumbing and wiring, twin-zone controls, 50mm insulation and a 3kW immersion heater for efficient domestic hot water storage.