This part is compatible with models including FFRH1222R21,FFRH0822R10,FFRH1222R20,FFRH1822R21,FFRH0822R12,FFRH1822R20,FFRH0822R11,FFRH0822R14,FFRH0822R13,FFRH0822R1E0,CAHE8ERR410A15,CAHE8ERR410A16,CAHE8ERR410A14,CAHE8ERR410A17,LRA11PZW114,LRA11PZW115,FFRH1122U1E0,CAH25ECR20,FFRH11L2R11,FFRH11L2R10,FFRH2522R21,FFRH18L2R20,FFRH2522R20,FFRH11L2R14,FFRH11L2R13,FFRH18L2R21,LRA08PZU114,LRA08PZU116,CAH08ECR11,CAH08ECR10,FFRH0822Q11,FFRH1222Q20,FFRH0822Q10,FFRH0822Q13,FFRH1822Q21,FFRH0822Q12,User interface board processes the temperature and fan settings you choose,This user interface board (part number 5304496261) is for room air conditioners,Shut the house circuit breaker or unplug the room air conditioner before installing this part