Always verify the part number against your unit's specific wiring diagram and parts list

This 4 Heat / 2 Cool (4H/2C) thermostat is engineered to interface seamlessly with Carrier Venstar HVAC systems

streamlining the swap-out process for existing Functional Devices installations

The unit utilizes highly developed sensor technology to provide a reliable 4 to 20 mA output signal

York S1-373-12894-704 Heat Exchanger Refrigerant Always verify the part numberIf you're out in the field dealing with a cracked primary and facing rollout issues on a York or Coleman furnace, the York S1 373 12894 704 Heat Exchanger is the exact OEM component required for a safe return to service. This 4 tube heat exchanger is engineered specifically for direct fit compatibility in various B2HN gas furnace models and Coleman Evcon residential units. Constructed with high grade, corrosion resistant materials, these OEM York