Genuine Daikin replacement remote controller BRC1E73. The Daikin Navigation Remote Controller can be used to control indoor units using the P1P2 protocol. Up to 16 indoor units can be controlled as a group for large coverage. Two BRC1E73 can be used for a single indoor unit or group as a secondary backup control. The BRC1E73 is compatible with any unit being controlled by the older BRC1E72 control