HAHRC1N39EFS

High Accuracy Room Humidity Transmitter, 1%, No LCD, 10,000 ohm, type 2, NTC thermistor, ?0.05 C, Comm. Jack (4 pin header), Fan speed switch, Override switch https://downloads.greystoneenergy.com/Submittals/PS-HAHRCXXX.pdf https://downloads.greystoneenergy.com/Install%20Notes/IN-GE-HAHRCXXX.pdf