The?? HK42FZ034?? NEW Carrier Furnace Control Board OEM is a top-of-the-line replacement part designed for use with Carrier, Payne, and Bryant furnaces. This control board is a corded electric board with a voltage of 24V and is made of durable fiberboard material. With a power phase of 1 phase, this model is specifically designed for efficient and reliable HVAC performance.