Termoregulator DEFRO 57


Reliable equipment used in the central heating systems with buffer tanks. DEFRO 57 thermoregulator has an impact on optimum charging of the buffer as an energy storage and protects return of the boiler against too low temperature of heating medium returning from the system and protects the boiler against low-temperature corrosion. DEFRO 57 thermoregulator extends lifetime of your boiler and contributes to reduction of amount of combusted fuel.DEFRO 57 thermoregulator allows protecting boiler return, optimum use of the boiler efficiency, hot water reception, limitation of destructive action of the low-temperature corrosion and eliminates condensation phenomena. It should be noted that layers of water in accumulation tank are not suddenly mixed what causes that heat is accumulated more quickly.



termoregulator defro 57


Use of buffer in the central heating system prolongs the time between successive ignitions, and has positive influence on boiler lifetime. Furthermore, the equipment cools down the boiler using water from return circuit - hot water from upper part of the boiler is mixed with small amounts of water from boiler bottom. To use whole potential of the buffer tank in the system it should be noted about correct stratification of water in the equipment. Hot and cold water should form two separate layers to ensure that this process is implemented correctly. Ideal stratification of hot and cold water is possible due to correct control of their inflow to the accumulation tank. Correct course of this process is possible when the loading device is used - such as DEFRO 57 thermoregulator. During start-up of the boiler DEFRO 57 thermoregulator pumps water into its interior to ensure that is quickly achieves operating temperature and starts heating the tank. Then the Thermoregulator slowly pumps hot water to upper part of the buffer tank, maintaining optimum stratification of water temperatures.


Quicker boiler burn-in
DEFRO 57 thermoregulator connected to the heating system improves lifetime of the boiler increasing the temperature on return from the system and considerably reduces low temperature corrosion of the boiler.
To keep the heat system without buffer tank should be started several times per day, what increases fuel consumption. Installation of the buffer tank in heating system with DEFRO 57 thermoregulator allows reducing the costs even by 50%.
Positive impact on reduction of dust emission by maintaining high temperature on return from the system to the boiler





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