Lennox model number 48K98 Blower Control Center. It is a direct replacement for old Lennox Furnace part numbers 65K29, BCC1, BCC2 and BCC3 circuit boards. Replaces 65K29, 65K2901, LB-90089A ,48K98, 48K9801, 45K48, 45K4801, LB-89859 Dimensions: 5-5/8″ X 4-3/16″ Included: blue wire with .187″ female terminal and wire nut