With a robust adjustment range of 200 to 610 psi

while specific flash counts point to issues like short cycling (Code 1)

Built with a round outlet and standard 8-6 inch leads

high-fidelity temperature data

Lennox 57W64 Coil L99H008 With a robust adjustment rangeThe Lennox 57W64 Secondary Heat Exchanger Coil serves as a critical replacement component for high efficiency condensing gas furnaces within the Lennox G61MPV and G61V series. This stainless steel condensing coil is engineered to extract latent heat from combustion gases, maximizing the AFUE rating of the HVAC system. As a Lennox OEM replacement part, it ensures precise fitment and structural integrity within the heat exchanger assembly. Technicians