the Copeland 940-C411-72 Current Relay Kit is a field-proven OEM replacement part designed for high-integrity refrigeration and HVAC compressor systems

the unit utilizes a standard 9

While the nitrile seals are compatible with standard pneumatic oils

Enhanced System Safety: Critical for maintaining the proper vent gas flow

leak-free fit with existing gas manifolds

Lennox 44W57 Collector Box 321702-401 the Copeland 940-C411-72 Current RelayThe 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