As a genuine Reznor OEM replacement part

ensuring structural integrity in high-moisture environments

making it ideal for high-flow fan coil units and baseboard applications

The RS9220 includes specific terminal designations for O and B

ensuring seamless integration and optimal energy distribution within electrical power control setups

Carrier HK02YB159 Pressure Switch 324846-701 As a genuine Reznor OEMThe Carrier HK02YB159 Pressure Switch is a critical OEM replacement part designed for precise HVAC safety monitoring in Carrier, Bryant, and Payne systems. As a veteran grade furnace pressure switch, this component functions by detecting the specific pressure thresholds required for safe combustion and blower operation. Its primary role is to act as a safety limit switch, ensuring that the system shuts down if venting or airflow conditions fall