Honeywell TH8320R1003 Thermostat R-410A if you have input voltage

if you have input voltage but 0V or significantly lower than 24V on the secondary side while disconnected from the load

preventing catastrophic component failure during high-ambient conditions or airflow restrictions

for a leak-proof connection

intermittent-rated solenoids cannot replace continuous-duty models without risking coil failure

Honeywell TH8320R1003 Thermostat R-410A if you have input voltageThe Honeywell TH8320R1003 VisionPRO 8000 is a premier 7 day programmable touchscreen thermostat designed for high performance HVAC systems. Built with RedLINK wireless technology, this unit offers flexible installation as a standalone controller or integrated with an Equipment Interface Module (EIM). When used standalone, it manages up to 3 Heat 2 Cool heat pump or 2 Heat 2 Cool conventional systems; with an EIM, capacity expands to 4 Heat 2 Cool.