HRC5NYEFS

Room Humidity Transmitter, 5%, No LCD, Yellow LED (n/a with LCD), Comm. Jack (4 pin header), Fan speed switch, Override switch https://downloads.greystoneenergy.com/Submittals/PS-HRCXXX.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-HRCXXX.pdf