To learn more about the T2 UltraSmartTM controller, view the video. Read our product documentation below for all the information you need about the bth ULTRA electric boilers.
Designed to combine compactness, performance and ease of installation, the bth ULTRA XL is a must-have when choosing your heating equipment. This electric boiler is equipped with a T2 UltraSmart® Smart Controller for precise, temperature and power management, thus optimizing heating performance and comfort. The bth ULTRA XL can be easily paired with an auxiliary boiler for a dual-energy installation. This makes this product ideal for use in geothermal energy, heat pumps, wood-fired boilers, biomass heating, or solar energy systems. Lightweight, reliable, and robust, the bth ULTRA XL electric boiler has a 10-year warranty on the reservoir and a 2-year warranty on electrical and mechanical parts.
