Thermostat draft regulator boiler RT4 3/4 standard
✅ Thermostatic draught regulator for BIOMASS boiler.✅ 3/4"M. Mod. RT4.✅ Automatic draught regulator for solid fuel boilers. Fully metal, in nickel-plated brass. Includes tilting lever and chain.✅ It works on a thermostatic regulation principle and does not require an electrical power supply. The thermostatic element maintains the outlet temperature of the water in the heating circuit at the preset value, opening or closing the combustion air draught, regulating the intensity of the flame according to thermal needs and achieving a comfortable room temperature while reducing fuel consumption.