Comes with the board and cover, both in good shape. No knob included. The AMANA Goodman PTAC Control Board & Cover Set PCB00124 is a reliable and efficient HVAC circuit board designed for PTHP BU ZZ 40A PTAC units. With a brand name known for quality and performance, this control board is designed to provide precise control over the heating and cooling systems in commercial or industrial settings. The set includes a 40A amperage control board, ensuring compatibility and functionality for your HVAC system. Whether you are replacing a worn-out board or upgrading your system, this Amana control board set is a dependable choice for your HVAC needs.