Resideo YTH8321R1002 Thermostat R-410A Advanced Thermostat Coating: The 5-inch

Advanced Thermostat Coating: The 5-inch probe features a thermo-bonded coating that prevents calcification and mineral buildup in hard water conditions

For technicians running preventative maintenance or emergency repairs

Clockwise rotation increases the set pressure

This single function pressure control is engineered with a SPST switch that opens on pressure fall

allowing for efficient "plug and play" integration with modern boiler control boards

Resideo YTH8321R1002 Thermostat R-410A Advanced Thermostat Coating: The 5-inchThe Resideo YTH8321R1002 VisionPRO 8000 is a high performance, 7 day digital programmable thermostat designed for professional HVAC installations requiring precise multi stage control. Operating on 18 30 Vac or a 750 mV millivolt signal, this RedLINK thermostat is engineered for maximum versatility. In a standalone configuration, it supports up to 3 Heat 2 Cool heat pump systems or 2 Heat 2 Cool conventional systems. When integrated with an Equipment