Home heating radiator has the voice, is the main radiator in the water or uneven debris by erosion, the radiator into the water and back water reach equilibrium will produce sound. There is a heating system to the radiator of the interface is not smooth, heating valve is not fully open or too small, the valve produces tearing sound, resulting in a heating radiator water shock tube wall noise. Radiator caused by sundries in the sound mainly for two reasons, one is the welding slag or left cover, and the heating system of sand into the radiator in the precipitation of impurities, scouring the sound generated by.