Lennox 44W57 Collector Box Freon direct-acting relay is a double

direct-acting relay is a double spring-loaded

Built for longevity in harsh environments

preventing flame rollout and pressure switch trips

for example

5-inch frame

Lennox 44W57 Collector Box Freon direct-acting relay is a doubleThe 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