The JAB DUC IE 120 Direct Slim 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 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.
Its compact capacity makes it ideal for smaller homes, apartments, and en-suite systems, while the unvented design eliminates the need for a cold-water storage tank - freeing up valuable loft space and providing powerful water pressure at every outlet.
The Internal expansion design eliminates the requirement for an external expansion vessel, simplifying installation and saving valuable space. the cylinders are supplied with two, 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 = 1250 X 480
