The Carrier HK38EA026 CEPL130618-11-R Circuit Control Board is a 24V condenser control board designed for use in air conditioner and heat pump split systems. With a thickness of 1/2 inch and dimensions of 6 inches in length and width, this circuit control board weighs 10 ounces. It is compatible with various HVAC systems and provides reliable control for efficient operation. Made by Carrier, a trusted brand in the HVAC industry, this control board ensures quality and performance in maintaining the functionality of your heating and cooling systems.pulled from a working unit tested good