ATAG iSteel Twin Coil Cylinders
ATAG iSteel Twin Coil Cylinders
The ATAG iSteel Twin Coil Cylinders are designed to provide efficient and reliable hot water solutions for homeowners. Available in sizes ranging from 150 to 300 litres, these cylinders offer flexibility to suit a variety of household heating needs. One of the key benefits of the iSteel range is its rapid heat-up recovery, ensuring that hot water is quickly available when you need it most.
These cylinders are compatible with solar systems, making them an ideal choice for those looking to integrate renewable energy solutions into their heating system. By combining the iSteel cylinder with solar panels, you can further enhance energy efficiency while reducing reliance on traditional energy sources.
The ATAG iSteel Twin Coil Cylinders come with a 25-year warranty on the cylinder itself, offering long-term peace of mind and reliability. Additionally, a 2-year warranty is provided on cylinder components, further demonstrating ATAG’s commitment to quality and customer satisfaction.
In line with modern building standards, these cylinders are compliant with Part ‘L’ of the building regulations, which focuses on the conservation of fuel and power. This ensures that the iSteel cylinders help to meet energy efficiency requirements for new builds or refurbishments. The cylinders are also rated ‘B’ for energy efficiency, meaning they help reduce energy consumption and minimise heating costs over time.
With their durable construction and energy-efficient design, the iSteel Twin Coil Cylinders provide an excellent solution for households seeking consistent hot water, whether they are looking to upgrade their heating system or install a new one. Designed with performance and efficiency in mind, these cylinders are an ideal complement to your ATAG heating system


Key features and benefits
- Rapid heat up recovery
- Compatible with solar systems
- A 25 year warranty
- Compliant with part ‘L’ of the building regulations – conservation of fuel and power
- Rated ‘B’ for energy efficiency
- A 2 year warranty on cylinder components

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