the Siemens 599-03180 provides a reliable

this specific part number is designed for the 9-inch top ports

High Torque Output: Provides 3000 in-lb of torque to handle high-differential pressure applications without stalling

Its robust design is internally protected and rated for 50/60 Hz operation

The 59-inch capillary tube allows for versatile bulb placement

Resideo YTH8321R1002 Thermostat 318973-401 the Siemens 599-03180 provides aThe 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