the internal disc is likely damaged and requires replacement

specifically water and brine applications

exhaust fans

Built by Emerson

and 480V inputs allow for maximum job site versatility

Resideo TH8110R1008 Thermostat 318973-401 the internal disc is likelyThe Resideo TH8110R1008 is a professional grade VisionPRO 8000 with RedLink touchscreen thermostat designed for 1H 1C conventional systems and single stage heat pumps. Operating on a versatile 18 30Vac or 750mV platform, this unit features 7 day programmable logic with a patented interview based setup that eliminates the need for complex manuals during commissioning. It functions as a standalone thermostat or integrates into a broader RedLink wireless