Lennox 12L02 Collector Box 321042-401 14 universal orifice

14 universal orifice

These are primary safety devices

System Safety: Prevents furnace operation during venting obstructions or inducer motor failure

this motor provides the exact torque profile and shaft speed required to maintain factory-spec airflow across the coils

Lennox 12L02 Collector Box 321042-401 14 universal orificeAs a seasoned tech, you know that a cracked or restricted Lennox 12L02 Collector Box is a fast track to pressure switch trips and service call backs. This genuine OEM Lennox replacement part, also identified by part number 1242861, is engineered specifically for high efficiency gas furnaces where condensate management is critical. It serves as the primary transition point for combustion byproduct gases, ensuring proper drainage of corrosive moisture