Cooling Valves DBV1 STS20 RT4P

DBV 1 valve with additional thermal insulation. The 3/4 thermostatic two-way cooling valve is used to protect central heating boilers from overheating , boiling water Cyclically , gradually , filling the central heating system with cool water. At the same time, it automatically throws hot water into the connected sewage system. The thermostatic element from a renowned French manufacturer is placed directly in the heating water, so the reaction to changes in the supply temperature is practically immediate. When the temperature drops below the limit value, the valve automatically closes. The valve has a knob for manual start (similar to safety valves) Opening temperature 97 degrees C Maximum temperature 110 degrees C Connection thread 3/4 Max. working pressure in the boiler - 4 bar Max. working pressure in the network - 6 bar