CB103B - Circuit Board 1102-1A - 03B (919-17) circuit board kit for SPU

CB500 - Circuit Board -3 Speed 500 3-speed circuit board

CB201 - Circuit Board UCQB - (H,M circuit board kit for 18HBX(Q)B-(HW) UC(HW)(QB) fan coil

CB600 - Control Board for vertical units with ECM blower motor - AN410 - 18-60VHB(Q)(X)B(-HW), 10-20VMB(E)(-HW)

CB401 - Control Board WSVC, WSVX, WSHC, WSHX