Lennox 13U52 Heat Exchanger 318518-761 Unlike standard test buttons that

Unlike standard test buttons that only check electronics

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

Q: Where is this actuator typically installed

When performing a Modine gas valve replacement

Lennox 13U52 Heat Exchanger 318518-761 Unlike standard test buttons thatThe 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