Siemens S55373C121 Description Description Siemens digital controller for fan coils KNX Related products SIEMENS 1FK7103-5AF71-1DH0 SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FK6032-6AK71-1TA0 SIEMENS 1FK7044-7AF71-1EG0 SIEMENS 1FK7083-5AF71-1EB3 SIEMENS 1FK6060-6AF71-1TA0
