The ATAG iSteel Unvented
Cylinder range is designed to deliver reliable, efficient hot water performance.
Whether you're
upgrading your current system or starting from scratch, the iSteel range offers flexible storage
capacities and trusted performance.
[1] 19.05 minutes based on the 120 litre model
Built using stainless steel, every cylinder in the range is made to last. The inner vessel carries a 25-year warranty, offering long-term peace of mind. All other components are protected by a 2-year warranty, covering essential parts that ensure reliable day-to-day operation.
A great choice in control for your heating and hot water
Effortless smart heating control for ultimate comfort and reduced home energy bills.
Straightforward, programmable digital thermostat for simple, reliable, and fuss-free heating control.
Classic, user-friendly design with flexible seven-day scheduling for reliable home comfort.