<p><strong> Here device for heating rooms that converts electric current to heat by means of resistors that emit radiant energy</strong>. Resistors may be composed of metal-alloy wire, nonmetallic carbon compounds, or printed circuits. Heating elements found in common appliances are made from <strong>metallic resistance alloys such as Fe-Cr-Al and Ni-Cr(Fe)</strong>. They have the ability to produce temperatures hot enough to get the element to glow red hot, in the neighborhood of 1112°F (600°C) and above. radiator valve heating elements , floor plate , pipe sleeve , thermostatic trap , secure cabinet to wall with expansion bolt , floor plate for more details download this file.</p>