This transducer is fully compatible with modern refrigerants such as R-410A

The York S1-324-40880-002 is a professional-grade

Its robust dual-input architecture supports primary and secondary (reset) signals

or liquid line systems

Complete Installation Kit: Ships with all necessary hardware

Nordyne 920621G Thermostat Kit R-410A This transducer is fully compatibleThe Nordyne 920621G Thermostat Kit is a field proven IQ series control solution designed for precise regulation of HVAC systems. This kit serves as the direct replacement for Nordyne 920621Q, ensuring backward compatibility with legacy equipment and high efficiency units. As an authentic OEM furnace part, it integrates seamlessly with integrated control boards to maintain strict temperature differentials and optimize system run cycles. Technicians