5 PSI emergency exposure rating

This heavy-duty blower vent is manufactured to withstand high moisture environments typical of secondary heat exchangers

Optimized Airflow: Calibrated 10" diameter and pitch to maintain proper CFM output

Common indicators for replacing the aluminized heat exchanger include soot buildup

providing critical system protection

Carrier 50HJ402677 Header Assembly 321894-708 5 PSI emergency exposure ratingThe 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