The open construction design includes a manual reset circuit breaker

making it essential for technicians managing commercial HVAC maintenance and system diagnostics

As a direct OEM Aaon replacement part

OEM technical specifications ensure reliable interface with 24V control systems and inducer assemblies

Carrier 311213-404 Collector Box Els PW 17895 The open construction design includesThe Carrier 311213 404 Collector Box is a critical OEM replacement part designed for 90% condensing furnaces. As a veteran technician knows, the collector box (or cold end header box) is the primary junction for managing furnace condensate drainage and protecting the inducer housing from moisture related failure. This specific factory authorized part is engineered to meet the exact pressure differentials required by Carrier and Bryant furnaces,