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Radiant has a rich history when it comes to heat exchanger design. Since 1959, we have been at the forefront of developing and manufacturing our heat exchangers in-house. This commitment to control and quality has allowed us to deliver exceptional products that have consistently met and exceeded the needs of our clients. Through the years, we have continuously strived to improve the efficiency and reliability of our heat exchangers. Our engineers have worked tirelessly to innovate and incorporate the latest technologies, resulting in the evolution of our heat exchangers into the heart of each Radiant product.

Our latest offering, the Flowtech heat exchanger, is a testament to our dedication to innovation and quality. Made from T316 stainless steel, this heat exchanger boasts a tube diameter of 28mm, resulting in higher efficiency numbers of up to 97 EF to 0.954 UEF. It also delivers less head loss, making it easier to maintain and service. At Radiant, we are proud to offer the Flowtech heat exchanger, backed by 57 years of unparalleled experience and know-how.


We understand that investing in a heating system is a significant decision, so we offer a 10-year, no-questions-asked warranty for our Flowtech heat exchanger. Our commitment to quality and reliability is at the core of everything we do, and we are confident that our products will exceed your expectations.

The DIGITECH CS-Electronic Card is a highly sophisticated and reliable control system designed to make managing your Radiant unit as easy as possible. Our team of engineers has worked tirelessly to create a product that functions exceptionally and looks sleek and intuitive. With an emphasis on ease of use, our control system puts every aspect of your unit's performance at your fingertips.

The DIGITECH control system is designed to simplify troubleshooting for your service technician. It can save up to 5 error codes, ensuring that identifying issues with your Radiant unit is quick and easy. The controller also allows you to easily set and save temperature parameters from matching your requirements. One of the key benefits of our control system is its versatility. The DIGITECH board is capable of controlling external sensors and even solar panels. And, with a separate module required, it is WIFI capable, allowing you to manage your unit remotely from your smartphone.

At Radiant, we understand the importance of electrical safety. That is why our DIGITECH control system features a high level of electrical protection to ensure the safety of your unit and those using it. We take great pride in the sophistication and simplicity of our DIGITECH CS-Electronic Card. It is a highly reliable, intuitive, easy-to-use control system that adds tremendous value to our Radiant units. Whether you are looking for an efficient heating solution for your home or business, you can trust Radiant to deliver the highest quality products with cutting-edge technology.

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