High-Altitude Ready: Designed to maintain flame stability across various elevations

this unit is designed to protect compressors from low-suction conditions and avoid equipment failure

Easy Installation: The included bracket ensures stable mounting in tight control cabinets or air handling units

the MC-431 serves as the direct replacement for EA-31

Lennox 96L77 Heat Exchanger 323055-751 High-Altitude Ready: Designed to maintainThe Lennox 96L77 Heat Exchanger (Catalog Number 96L77, superseding LB 58087BT) is a critical OEM replacement part engineered for high efficiency gas furnaces. This 125SS Heat Exchanger assembly is constructed from stainless steel to withstand high combustion temperatures and prevent premature thermal stress fracturing. Designed for large scale residential and light commercial Lennox units, it arrives as a robust assembly with a gross weight of 151