Boiler thermal protection

Hot water boilers intended for manual burning with solid fuel installed in a closed central heating system must, among other safety regulation equipment, have built-in thermal protection. Thermal protection protects the boiler from overheating due to a power outage or circulation pump failure. The thermal protection cools the boiler with water from the domestic water supply system, which is connected to the city (public) water supply and not to the hydrophore. Boiler cooling starts at a boiler water temperature of 95°C. In case of power failure or failure of the circulation pump and the temperature of the boiler water rises above 95°C, the thermal protection has the obligation to prevent the temperature of the boiler water from rising above a maximum of 110°C. For the proper operation of the thermal protection, it is necessary to use the boiler in accordance with its technical instructions. Thermal protection is not intended to protect the boiler from overheating caused by irresponsible and improper handling of the boiler.