The JAB DUC IE 300L direct Internal Expansion Unvented Cylinder is a compact, high-performance hot water storage system designed for modern domestic applications where space, efficiency, and reliability are key.
Constructed from high-grade duplex stainless steel, this 300L* cylinder offers excellent corrosion resistance and long-term durability. It's engineered for mains-pressure hot water delivery. Providing powerful flow rates for showers, taps, appliances without the need for a cold-water storage tank.
The Internal expansion design eliminates the requirement for an external expansion vessel, simplifying installation and saving valuable space.
The cylinders are supplied with 3 x factory-fitted 3kW immersion heaters which provide the option of heating water on different schedules, tariffs and configurations.
*actual water capacity is less than product name - due to air gap
DIMENSIONS = 1950 x 550
