King Electric W2420 W Wall Heater, 240-Volt, White Economically Built For Maximum Comfort NiChrome Open Coil Element For Quick Heat Transfer Dual Wattage Design C-Frame Motor Patented Smart Limit Protection Enjoy years of trouble-free use thanks to a durable, reliable design. NiChrome coil element for rapid heat transfer. Peace of Mindincludes Patented Smart Limit Protection. Efficient Aluminum Impeller Fan. Easy To Install. One-screw mounting for fast installation into the recessed wall can. Zonal Heating Systems Save Money. Proudly made in the USA. UL certified to USA and Canada standards.