Resideo TH8321WF1001 Thermostat 320720-756 Quiet Operation: Engineered with balanced

Quiet Operation: Engineered with balanced components to reduce vibration and mechanical noise

protecting your piping system from destructive pressure surges

and both direct and reverse acting inputs

Why should I use OEM instead of universal header boxes

Ensuring a tight seal prevents moisture from reaching the electrical terminals

Resideo TH8321WF1001 Thermostat 320720-756 Quiet Operation: Engineered with balancedThe 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,