Carrier HK02YB159 Pressure Switch Freon NBBBI Certified: National Board certified

NBBBI Certified: National Board certified capacity at 15 PSI to satisfy strict local mechanical codes and safety audits

high superheat) if the valve is stuck closed

though compatibility should always be verified based on the specific chemical profile of your system

also identified as the Model EK083S

preventing hazardous conditions by instantly detecting flame failure

Carrier HK02YB159 Pressure Switch Freon NBBBI Certified: National Board certifiedThe 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