HRC5NT8YES

Room Humidity Transmitter, 5%, No LCD, 2.252K Ohm, NTC Thermistor, ?0.2 C, Yellow LED (n/a with LCD), Comm. Jack (4 pin header), Override switch https://downloads.greystoneenergy.com/Submittals/PS-HRCXXX.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-HRCXXX.pdf