Carrier 50HJ402677 Header Assembly 320819-301 These part numbers refer to

These part numbers refer to the exact same valve

Equipped with built-in circuit breakers

As a direct replacement for the legacy A-4000-149 model

Once the temperature falls below the 450°F threshold (+/- tolerance)

This snap-acting thermostat features a direct-acting mechanism with silver contacts to ensure sustained accuracy and high-cycle reliability in high-temperature environments

Carrier 50HJ402677 Header Assembly 320819-301 These part numbers refer toThe Carrier 50HJ402677 Header Assembly is a high precision OEM replacement part designed for specific Carrier, Bryant, and Payne package units. As a critical component within the refrigerant distribution system, this header assembly manages flow to the evaporator coil, ensuring balanced heat transfer and preventing evaporator circuit restrictions. Built to RCD Parts exacting standards, this factory authorized part ensures a drop in replacement that