The WPW10204679 is a genuine OEM range radiant surface element for Whirlpool and affiliated brand electric ranges with smooth glass cooktops. This surface element is a critical heating component that supplies heat to a cooking area on top of the range, allowing you to boil, simmer, fry, and cook food. The radiant surface element is constructed from a coiled resistance heating wire (typically nichrome alloy) encased in a metal sheath, formed into a circular or oval heating pattern, and mounted beneath the glass cooktop surface. The element measures approximately 8-10 inches in diameter (depending on the specific burner size) and weighs approximately 1-2 pounds. The surface element has electrical terminals (typically 2-4 terminal connections) for connecting to the range's power supply through the element receptacle. The WPW10204679 replaces older part numbers including W10204679, 8286136, 8286137, and others with improved reliability and heating efficiency. The surface element operates on 240 volts AC, 60 Hz and typically has a power rating of 1,200-3,000 watts depending on the burner size (small burners 1,200-1,500W, medium burners 1,500-2,000W, large burners 2,000-3,000W). The element operates by converting electrical energy into heat through resistance heating. When the range control is turned on, electrical current flows through the resistance wire inside the element, generating heat. The heat radiates upward through the glass cooktop surface to the cookware. The range control regulates the power to the element to control the heat level (low, medium, high). Over time, range surface elements can fail due to heating wire burnout (from age or overheating), element cracking or breaking (from thermal stress or impact), terminal connection corrosion or failure, element warping or deformation (from overheating), glass cooktop damage (from element failure), or manufacturing defects. When the surface element fails, symptoms include the burner not heating at all (no heat), the burner heating unevenly or only partially (some areas hot, others cold), the burner taking longer than normal to heat up, the burner glowing brightly but not transferring heat to cookware, visible cracks or breaks in the element visible through the glass, the burner tripping the circuit breaker, or the glass cooktop cracking around the burner area. The WPW10204679 is a complete replacement surface element that restores full heating performance. Replacing a faulty surface element eliminates all heating problems and restores reliable, efficient cooking performance. Important: Always turn off power at the circuit breaker before working on the range. This is a moderately advanced repair requiring careful handling of electrical connections and glass cooktop removal. Verify your range model number before ordering. Test the element receptacle and wiring before replacing the element. This repair can be completed by most homeowners with basic electrical knowledge and careful attention to detail.