Lennox 44W57 Collector Box 323613-751 Low Pressure Drop: Engineered internal

Low Pressure Drop: Engineered internal flow paths minimize restriction

ensuring it is protected from physical damage and kinked capillary lines during installation

For contractors managing large-scale hydronic or steam systems

5in element length allows for effective airflow across the coils

Lennox 44W57 Collector Box 323613-751 Low Pressure Drop: Engineered internalThe Lennox 44W57 Collector Box (OEM #102109 04) is a critical condensating furnace replacement part engineered for high efficiency gas furnaces, including popular Lennox G61MPV and EL195 series models. Often referred to by technicians as a cold end header box, this component is responsible for gathering and channeling corrosive condensate and combustion byproducts away from the heat exchanger and into the drain trap. Its internal pressure switch ports