Resideo TH8321WF1001 Thermostat R-407C Reliability: Heavy-duty ball bearings and

Reliability: Heavy-duty ball bearings and Class B insulation support continuous duty cycles in 40°C ambient environments

we recommend installation by a licensed HVAC technician to ensure proper wiring and safety circuit verification

Key Benefits for Technicians: OEM Precision: Guaranteed compatibility with Broan-NuTone 655

Built with a robust bronze 2-piece body (ASTM B584)

including those previously utilizing the 02-4881 pressure switch

Resideo TH8321WF1001 Thermostat R-407C Reliability: Heavy-duty ball bearings andThe Resideo TH8321WF1001 is a robust, hardwired Wi Fi VisionPRO 8000 digital thermostat engineered for versatile application in both residential and light commercial environments. Designed to handle up to 3 Heat 2 Cool Heat Pump or up to 2 Heat 2 Cool Conventional systems, this unit provides precise control via 18 30Vac screw terminals. It features a high resolution 10 sq. in. touchscreen interface with 7 day programmable or non programmable options,