Lennox 44W55 Collector Box 319852-301 Bi-Directional Sealing: Features dual PTFE

Bi-Directional Sealing: Features dual PTFE seals and a relief port design to ensure a tight shut-off in either flow direction

This HI TEMP sensor is factory-calibrated for precision

including EF60T 125/150/199 E/N/X/A/2 and EF100T

and airflow

non-genuine alternatives

Lennox 44W55 Collector Box 319852-301 Bi-Directional Sealing: Features dual PTFEThe Lennox 44W55 Collector Box is a critical OEM replacement component engineered for high efficiency gas furnaces, specifically designed to manage the transition of flue gases and corrosive condensate. As a veteran grade furnace collector box with gasket, this assembly (also identified by part numbers 102109 02 and 78L3901) ensures the airtight integrity required for the condensate management system. Its robust construction is specifically intended