The White Rodgers 50A55-289-02 Furnace Control B18099-26 is a corded electric furnace control board designed for White-Rodgers brand central heating systems. Made of plastic, this control board is 1 inch thick, 6 inches long, and 4 inches wide. It operates at 24V with 50A of amperage, suitable for 1-phase systems. The item weighs 1 pound and is compatible with central furnaces, central air conditioners, and air conditioner split systems. With its specific model and voltage requirements, this furnace control board is an essential part for maintaining and repairing HVAC systems in both residential and commercial settings.