Recently, Honeywell FSC system modules is in hot sale. Such as 10216/2/1, 10311/2/1, 10201/2/1 and etc. Although FSC modules are all discontinued, many clients purchase them as a spare parts from our company. FSC is short for Fail Safe Controller, it is a trademarks of Honewell Safety Management Systems, also is the Honeywell first generation saftery controller. FSC and the part number can be seen...