The Reliance TF201W 20A Easy/Tran Furnace Transfer Switch in Gray is a reliable and efficient transfer switch designed for use in light equipment and tools. This transfer switch, with a length of 12 inches and width of 13 inches, ensures smooth and seamless power switching for your furnace or other equipment. The brand Reliance guarantees quality and performance, making this transfer switch a valuable addition to any business or industrial setting.