Lennox 13U52 Heat Exchanger 318518-761 This replacement shaft seal kit

This replacement shaft seal kit is specifically calibrated for residential and light commercial furnace applications where precise fitment is mandatory to avoid efficiency loss

Integrated Diagnostics: Includes the driver board for seamless interfacing with neon indicator lights and status LEDs

Durable Construction: The TEAO enclosure and internal thermal protection prevent premature failure in high-demand environments

optimizing the combustion cycle

Lennox 13U52 Heat Exchanger 318518-761 This replacement shaft seal kitThe Lennox 13U52 Heat Exchanger Assembly is a precision engineered 240K BTU aluminum heat exchanger designed for high capacity thermal transfer in demanding light commercial and residential HVAC applications. As a genuine OEM Lennox replacement part, this assembly (part number 613927 09) ensures a perfect physical and pressure drop match for KGA, KGB, LGH, and LGM series units. The corrosion resistant aluminum construction provides superior thermal